{"title":"ZX Section (10mm Wide)","description":"\u003c!--\n  TotallyBelts – ZX Cogged Section V-Belts collection description\n  Shopify: Products \u003e Collections \u003e ZX Section (10mm wide) \u003e Description \u003e \"Show HTML\" (\u003c\u003e) button, replace everything.\n--\u003e\n\u003cstyle\u003e\n  .tb-coll {\n    --tb-navy: #373e71;\n    --tb-orange: #c46e3a;\n    --tb-ink: #22264a;\n    --tb-muted: #5b6080;\n    --tb-rule: #e3e4ea;\n    color: var(--tb-ink);\n    line-height: 1.6;\n    max-width: none !important;\n    width: 100%;\n  }\n  \/* Remove the theme's width limit on the description box so it lines up with the product grid *\/\n  *:has(\u003e .tb-coll), *:has(\u003e * \u003e .tb-coll) { max-width: none !important; width: auto; }\n  .tb-coll, .tb-coll * { box-sizing: border-box; text-align: left !important; }\n  .tb-coll a:focus-visible { outline: 3px solid var(--tb-orange); outline-offset: 3px; }\n  .tb-coll .tb-coll-lede { font-size: clamp(16px, 1.3vw, 19px); margin: 0 0 1.25em !important; }\n\n  .tb-coll .tb-coll-brands { display: flex; flex-wrap: wrap; gap: 0.5em; margin: 0 0 1.5em !important; padding: 0 !important; list-style: none !important; }\n  .tb-coll .tb-coll-brands li { list-style: none !important; margin: 0 !important; padding: 0 !important; }\n  .tb-coll .tb-coll-brands li::before, .tb-coll .tb-coll-brands li::marker { content: none !important; }\n  .tb-coll .tb-coll-brands a {\n    display: inline-block;\n    padding: 0.4em 1em;\n    border: 1px solid var(--tb-navy);\n    border-radius: 999px;\n    color: var(--tb-navy);\n    font-weight: 600;\n    font-size: 0.92em;\n    text-decoration: none;\n    background: #fff;\n  }\n  .tb-coll .tb-coll-brands a:hover { background: var(--tb-navy); color: #fff; }\n\n  .tb-coll .tb-coll-help {\n    display: grid;\n    grid-template-columns: repeat(3, minmax(0, 1fr));\n    gap: 1.25em 2em;\n    background: #f3f3f6;\n    border-radius: 12px;\n    padding: 1.25em 1.5em;\n    margin: 0 !important;\n    list-style: none !important;\n  }\n  @media (max-width: 760px) { .tb-coll .tb-coll-help { grid-template-columns: 1fr; } }\n  .tb-coll .tb-coll-help li {\n    list-style: none !important;\n    margin: 0 !important;\n    border-left: 3px solid var(--tb-orange);\n    padding: 0 0 0 0.9em !important;\n    font-size: 0.95em;\n  }\n  .tb-coll .tb-coll-help li::before, .tb-coll .tb-coll-help li::marker { content: none !important; }\n  .tb-coll .tb-coll-help strong { display: block; color: var(--tb-navy); margin-bottom: 0.15em; }\n  .tb-coll .tb-coll-codes a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; }\n  .tb-coll .tb-coll-help a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; }\n\n  .tb-coll .tb-coll-head {\n    display: flex; align-items: center; gap: 1.25em; flex-wrap: wrap;\n    margin: 0 0 1em !important;\n  }\n  .tb-coll .tb-coll-tag {\n    display: inline-flex; align-items: center; gap: 0.6em;\n    background: var(--tb-navy); color: #fff;\n    border-radius: 999px; padding: 0.45em 1.2em 0.45em 0.6em;\n    font-weight: 700; font-size: 0.95em; letter-spacing: 0.02em;\n  }\n  .tb-coll .tb-coll-tag span {\n    display: inline-block; background: var(--tb-orange); color: #fff;\n    border-radius: 999px; padding: 0.15em 0.75em; font-size: 0.85em;\n  }\n  .tb-coll .tb-coll-head p { margin: 0 !important; color: var(--tb-muted); font-size: 0.95em; }\n  .tb-coll .tb-coll-lede { margin-bottom: 1.5em !important; }\n  .tb-coll .tb-coll-feature {\n    border: 1px solid var(--tb-rule); border-left: 5px solid var(--tb-orange);\n    border-radius: 10px; background: #fff;\n    padding: 1.1em 1.4em; margin: 0 0 1.25em !important;\n  }\n  .tb-coll .tb-coll-feature h3 { color: var(--tb-navy); font-size: 1.1em; margin: 0 0 0.6em !important; }\n  .tb-coll .tb-coll-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75em 2em; }\n  @media (max-width: 760px) { .tb-coll .tb-coll-split { grid-template-columns: 1fr; } }\n  .tb-coll .tb-coll-split p { margin: 0 !important; font-size: 0.95em; }\n  .tb-coll .tb-coll-split strong { color: var(--tb-navy); display: block; }\n  .tb-coll .tb-coll-codes { display: flex; flex-wrap: wrap; gap: 0.5em 1.25em; margin: 0.9em 0 0 !important; padding: 0.9em 0 0 !important; border-top: 1px solid var(--tb-rule); font-size: 0.9em; color: var(--tb-muted); }\n  .tb-coll .tb-coll-codes b { color: var(--tb-navy); }\n\n  .tb-coll .tb-coll-tag em { font-style: normal; background: #fff; color: var(--tb-navy); border-radius: 999px; padding: 0.15em 0.7em; font-size: 0.8em; margin-left: 0.2em; }\n  .tb-coll .tb-coll-split--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }\n  @media (max-width: 900px) { .tb-coll .tb-coll-split--3 { grid-template-columns: 1fr; } }\n  .tb-coll .tb-coll-models {\n    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.75em;\n    margin: 0 0 1.25em !important; padding: 0 !important; list-style: none !important;\n  }\n  @media (max-width: 1000px) { .tb-coll .tb-coll-models { grid-template-columns: repeat(3, minmax(0, 1fr)); } }\n  @media (max-width: 600px) { .tb-coll .tb-coll-models { grid-template-columns: repeat(2, minmax(0, 1fr)); } }\n  .tb-coll .tb-coll-models li {\n    list-style: none !important; margin: 0 !important;\n    background: var(--tb-navy); color: #fff; border-radius: 10px;\n    padding: 0.8em 1em !important; font-size: 0.9em; line-height: 1.35;\n  }\n  .tb-coll .tb-coll-models li::before, .tb-coll .tb-coll-models li::marker { content: none !important; }\n  .tb-coll .tb-coll-models b { display: block; font-size: 1.15em; margin-bottom: 0.15em; }\n  .tb-coll .tb-coll-models span { opacity: 0.85; }\n  .tb-coll .tb-coll-help--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }\n  @media (max-width: 1000px) { .tb-coll .tb-coll-help--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }\n  @media (max-width: 600px) { .tb-coll .tb-coll-help--4 { grid-template-columns: 1fr; } }\n  .tb-coll .tb-coll-models--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }\n  .tb-coll .tb-coll-models--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }\n  @media (max-width: 1100px) { .tb-coll .tb-coll-models--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }\n  @media (max-width: 600px) { .tb-coll .tb-coll-models--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }\n\u003c\/style\u003e\n\n\u003cdiv class=\"tb-coll\"\u003e\n  \u003cdiv class=\"tb-coll-head\"\u003e\n    \u003cspan class=\"tb-coll-tag\"\u003e\u003cspan\u003eBelt type\u003c\/span\u003e ZX cogged V-belts\u003c\/span\u003e\n    \u003cp\u003e10mm wide · 6mm deep · Raw-edge cogged · Multiple leading brands\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cp class=\"tb-coll-lede\"\u003e\n    ZX belts are the cogged version of Z section, with notches moulded into the underside so they bend easily\n    round small pulleys, run cooler and grip better. They’re used on small motors and pumps, compact\n    machine tools, workshop equipment, and garden and household machinery, and are a straight upgrade on a\n    smooth Z belt. We stock ZX belts from several leading manufacturers. Search by the code on the old belt, such\n    as ZX38, and use the filters to narrow it down by length or brand.\n  \u003c\/p\u003e\n\n  \u003cul class=\"tb-coll-models tb-coll-models--5\" aria-label=\"ZX belt brands\"\u003e\n    \u003cli\u003e\n\u003cb\u003eOptibelt\u003c\/b\u003e\u003cspan\u003eOur premier brand, for long life on demanding drives\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eMegadyne\u003c\/b\u003e\u003cspan\u003eHigh-quality Italian belts for industrial drives\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eBando\u003c\/b\u003e\u003cspan\u003eJapanese quality for industrial and agricultural use\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eGates\u003c\/b\u003e\u003cspan\u003eOne of the world’s best-known belt makers\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePIX\u003c\/b\u003e\u003cspan\u003eGood-value belts for general-purpose drives\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cdiv class=\"tb-coll-feature\"\u003e\n    \u003ch3\u003eFinding the right ZX belt\u003c\/h3\u003e\n    \u003cdiv class=\"tb-coll-split tb-coll-split--3\"\u003e\n      \u003cp\u003e\u003cstrong\u003eReading the code\u003c\/strong\u003eZX38 means a ZX cogged belt with a 38 inch inside length (965mm). Metric sizes may show the inside length (Li) or the datum length (Ld), which is 22mm longer, so check which your belt uses.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eUpgrading from Z?\u003c\/strong\u003eA ZX belt runs in the same pulleys as a smooth Z belt of the same length, so a ZX38 can usually replace a Z38 directly. Every belt here fits standard Z section pulleys.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eZX or XPZ?\u003c\/strong\u003eA ZX belt is 10mm wide and 6mm deep. An XPZ cogged wedge belt looks similar but is deeper, at 8mm, and runs in SPZ pulleys, so measure the depth to be sure.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cp class=\"tb-coll-codes\"\u003e\u003cspan\u003e\u003cb\u003eTip:\u003c\/b\u003e on drives with two or more belts, replace them all at once with a matched set of the same brand, and don't mix smooth and cogged belts on the same drive.\u003c\/span\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cul class=\"tb-coll-help tb-coll-help--4\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNo code?\u003c\/strong\u003eMeasure the width, depth and length. Our \u003ca href=\"\/pages\/measuring-your-belt\"\u003ehow to measure guide\u003c\/a\u003e shows you how.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOther sections\u003c\/strong\u003eTry \u003ca href=\"\/collections\/z-section\"\u003esmooth Z\u003c\/a\u003e, \u003ca href=\"\/collections\/ax-cogged-section-13mm-wide\"\u003eAX cogged\u003c\/a\u003e or \u003ca href=\"\/collections\/xpz-section-9-7mm-wide\"\u003eXPZ cogged wedge\u003c\/a\u003e belts.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStill not sure?\u003c\/strong\u003eCall \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e with the code or measurements and we'll find the right belt.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBuying for a business?\u003c\/strong\u003e\u003ca href=\"\/pages\/apply-for-credit-account\"\u003eOpen a trade account\u003c\/a\u003e for trade pricing on maintenance stock and repeat orders.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","products":[{"product_id":"optibeltzx23-597-stx-optibelt-super-tx","title":"ZX23 \/ 575 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX23 is a ZX section cogged raw-edge V-belt, 10mm wide with a 23″ (575mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e575mm (23″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e597mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX23, often with the pitch length 597. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 575mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX23 can replace a wrapped Z23 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibelt-super-tx-zx21-6\"\u003eZX21-1\/2\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx24-622-stx-optibelt-super-tx\"\u003eZX24\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403358162971,"sku":"TB00051640","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx24-622-stx-optibelt-super-tx","title":"ZX24 \/ 600 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX24 is a ZX section cogged raw-edge V-belt, 10mm wide with a 24″ (600mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e600mm (24″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e622mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX24, often with the pitch length 622. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 600mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX24 can replace a wrapped Z24 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx23-597-stx-optibelt-super-tx\"\u003eZX23\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx25-652-stx-optibelt-super-tx\"\u003eZX25\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403359277083,"sku":"TB00051639","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx25-652-stx-optibelt-super-tx","title":"ZX25 \/ 630 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX25 is a ZX section cogged raw-edge V-belt, 10mm wide with a 25″ (630mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e630mm (25″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e652mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX25, often with the pitch length 652. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 630mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX25 can replace a wrapped Z25 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx24-622-stx-optibelt-super-tx\"\u003eZX24\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx26-672-stx-optibelt-super-tx\"\u003eZX26\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403359637531,"sku":"TB00051638","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx26-672-stx-optibelt-super-tx","title":"ZX26 \/ 650 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX26 is a ZX section cogged raw-edge V-belt, 10mm wide with a 26″ (650mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e650mm (26″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e672mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX26, often with the pitch length 672. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 650mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX26 can replace a wrapped Z26 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx25-652-stx-optibelt-super-tx\"\u003eZX25\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx27-692-stx-optibelt-super-tx\"\u003eZX27\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403359997979,"sku":"TB00051637","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx27-692-stx-optibelt-super-tx","title":"ZX27 \/ 670 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX27 is a ZX section cogged raw-edge V-belt, 10mm wide with a 27″ (670mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e670mm (27″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e692mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX27, often with the pitch length 692. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 670mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX27 can replace a wrapped Z27 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx26-672-stx-optibelt-super-tx\"\u003eZX26\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx28-732-stx-optibelt-super-tx\"\u003eZX28\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403360260123,"sku":"TB00051636","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx28-732-stx-optibelt-super-tx","title":"ZX28 \/ 710 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX28 is a ZX section cogged raw-edge V-belt, 10mm wide with a 28″ (710mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e710mm (28″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e732mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX28, often with the pitch length 732. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 710mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX28 can replace a wrapped Z28 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx27-692-stx-optibelt-super-tx\"\u003eZX27\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx29-752-stx-optibelt-super-tx\"\u003eZX29\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403360587803,"sku":"TB00051635","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx29-752-stx-optibelt-super-tx","title":"ZX29 \/ 730 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX29 is a ZX section cogged raw-edge V-belt, 10mm wide with a 29″ (730mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e730mm (29″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e752mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX29, often with the pitch length 752. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 730mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX29 can replace a wrapped Z29 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx28-732-stx-optibelt-super-tx\"\u003eZX28\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx29-1-2-772-stx-optibelt-super-tx\"\u003eZX29-1\/2\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403360817179,"sku":"TB00051634","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx29-1-2-772-stx-optibelt-super-tx","title":"ZX29-1\/2 \/ 750 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX29-1\/2 is a ZX section cogged raw-edge V-belt, 10mm wide with a 29.5″ (750mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e750mm (29.5″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e772mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX29-1\/2, often with the pitch length 772. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 750mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX29-1\/2 can replace a wrapped Z29-1\/2 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx29-752-stx-optibelt-super-tx\"\u003eZX29\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx31-1-2-822-stx-optibelt-super-tx\"\u003eZX31-1\/2\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403360981019,"sku":"TB00051633","price":11.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx31-1-2-822-stx-optibelt-super-tx","title":"ZX31-1\/2 \/ 800 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX31-1\/2 is a ZX section cogged raw-edge V-belt, 10mm wide with a 31.5″ (800mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e800mm (31.5″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e822mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX31-1\/2, often with the pitch length 822. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 800mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX31-1\/2 can replace a wrapped Z31-1\/2 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx29-1-2-772-stx-optibelt-super-tx\"\u003eZX29-1\/2\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx32-842-stx-optibelt-super-tx\"\u003eZX32\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403361734683,"sku":"TB00051632","price":11.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx32-842-stx-optibelt-super-tx","title":"ZX32 \/ 820 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX32 is a ZX section cogged raw-edge V-belt, 10mm wide with a 32″ (820mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e820mm (32″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e842mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX32, often with the pitch length 842. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 820mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX32 can replace a wrapped Z32 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx31-1-2-822-stx-optibelt-super-tx\"\u003eZX31-1\/2\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx33-847-stx-optibelt-super-tx\"\u003eZX33\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403361898523,"sku":"TB00051631","price":11.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx33-847-stx-optibelt-super-tx","title":"ZX33 \/ 825 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX33 is a ZX section cogged raw-edge V-belt, 10mm wide with a 33″ (825mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e825mm (33″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e847mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX33, often with the pitch length 847. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 825mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX33 can replace a wrapped Z33 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx32-842-stx-optibelt-super-tx\"\u003eZX32\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx33-1-2-872-stx-optibelt-super-tx\"\u003eZX33-1\/2\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403362062363,"sku":"TB00051630","price":13.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx33-1-2-872-stx-optibelt-super-tx","title":"ZX33-1\/2 \/ 850 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX33-1\/2 is a ZX section cogged raw-edge V-belt, 10mm wide with a 33.5″ (850mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e850mm (33.5″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e872mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX33-1\/2, often with the pitch length 872. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 850mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX33-1\/2 can replace a wrapped Z33-1\/2 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx33-847-stx-optibelt-super-tx\"\u003eZX33\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx35-897-stx-optibelt-super-tx\"\u003eZX35\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403362226203,"sku":"TB00051629","price":13.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx35-897-stx-optibelt-super-tx","title":"ZX35 \/ 875 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX35 is a ZX section cogged raw-edge V-belt, 10mm wide with a 35″ (875mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e875mm (35″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e897mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX35, often with the pitch length 897. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 875mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX35 can replace a wrapped Z35 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx33-1-2-872-stx-optibelt-super-tx\"\u003eZX33-1\/2\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx36-922-stx-optibelt-super-tx\"\u003eZX36\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403362258971,"sku":"TB00051628","price":13.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx36-922-stx-optibelt-super-tx","title":"ZX36 \/ 900 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX36 is a ZX section cogged raw-edge V-belt, 10mm wide with a 36″ (900mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e900mm (36″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e922mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX36, often with the pitch length 922. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 900mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX36 can replace a wrapped Z36 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx35-897-stx-optibelt-super-tx\"\u003eZX35\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx37-947-stx-optibelt-super-tx\"\u003eZX37\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403362324507,"sku":"TB00051627","price":13.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx37-947-stx-optibelt-super-tx","title":"ZX37 \/ 925 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX37 is a ZX section cogged raw-edge V-belt, 10mm wide with a 37″ (925mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e925mm (37″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e947mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX37, often with the pitch length 947. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 925mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX37 can replace a wrapped Z37 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx36-922-stx-optibelt-super-tx\"\u003eZX36\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx38-972-stx-optibelt-super-tx\"\u003eZX38\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403362422811,"sku":"TB00051626","price":13.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx38-972-stx-optibelt-super-tx","title":"ZX38 \/ 950 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX38 is a ZX section cogged raw-edge V-belt, 10mm wide with a 38″ (950mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e950mm (38″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e972mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX38, often with the pitch length 972. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 950mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX38 can replace a wrapped Z38 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx37-947-stx-optibelt-super-tx\"\u003eZX37\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx40-038-stx-optibelt-super-tx\"\u003eZX40\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403362848795,"sku":"TB00051625","price":13.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx40-038-stx-optibelt-super-tx","title":"ZX40 \/ 1016 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX40 is a ZX section cogged raw-edge V-belt, 10mm wide with a 40″ (1016mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e1016mm (40″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e1038mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX40, often with the pitch length 1038. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 1016mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX40 can replace a wrapped Z40 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx38-972-stx-optibelt-super-tx\"\u003eZX38\u003c\/a\u003e and \u003ca href=\"\/products\/zx40-1-2-1052-stx-optibelt-super-tx\"\u003eZX40-1\/2\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403363045403,"sku":"TB00051624","price":14.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx42-082-stx-optibelt-super-tx","title":"ZX42 \/ 1060 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX42 is a ZX section cogged raw-edge V-belt, 10mm wide with a 42″ (1060mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e1060mm (42″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e1082mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX42, often with the pitch length 1082. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 1060mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX42 can replace a wrapped Z42 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/zx40-1-2-1052-stx-optibelt-super-tx\"\u003eZX40-1\/2\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx46-1-2-202-stx-optibelt-super-tx\"\u003eZX46-1\/2\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403363373083,"sku":"TB00051623","price":14.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx46-1-2-202-stx-optibelt-super-tx","title":"ZX46-1\/2 \/ 1180 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX46-1\/2 is a ZX section cogged raw-edge V-belt, 10mm wide with a 46.5″ (1180mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e1180mm (46.5″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e1202mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX46-1\/2, often with the pitch length 1202. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 1180mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX46-1\/2 can replace a wrapped Z46-1\/2 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx42-082-stx-optibelt-super-tx\"\u003eZX42\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx52-342-stx-optibelt-super-tx\"\u003eZX52\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403363700763,"sku":"TB00051622","price":14.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx52-342-stx-optibelt-super-tx","title":"ZX52 \/ 1320 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX52 is a ZX section cogged raw-edge V-belt, 10mm wide with a 52″ (1320mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e1320mm (52″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e1342mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX52, often with the pitch length 1342. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 1320mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX52 can replace a wrapped Z52 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx46-1-2-202-stx-optibelt-super-tx\"\u003eZX46-1\/2\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx55-422-stx-optibelt-super-tx\"\u003eZX55\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403363897371,"sku":"TB00051621","price":17.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx55-422-stx-optibelt-super-tx","title":"ZX55 \/ 1400 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX55 is a ZX section cogged raw-edge V-belt, 10mm wide with a 55″ (1400mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e1400mm (55″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e1422mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX55, often with the pitch length 1422. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 1400mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX55 can replace a wrapped Z55 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx52-342-stx-optibelt-super-tx\"\u003eZX52\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx59-522-stx-optibelt-super-tx\"\u003eZX59\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403364159515,"sku":"TB00051620","price":17.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibeltzx59-522-stx-optibelt-super-tx","title":"ZX59 \/ 1500 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX59 is a ZX section cogged raw-edge V-belt, 10mm wide with a 59″ (1500mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e1500mm (59″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e1522mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX59, often with the pitch length 1522. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 1500mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX59 can replace a wrapped Z59 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest size is \u003ca href=\"\/products\/optibeltzx55-422-stx-optibelt-super-tx\"\u003eZX55\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":6403364225051,"sku":"TB00051619","price":20.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibelt-super-tx-zx19-5","title":"ZX19-1\/2 \/ 495 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX19-1\/2 is a ZX section cogged raw-edge V-belt, 10mm wide with a 19.5″ (495mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e495mm (19.5″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e517mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX19-1\/2, often with the pitch length 517. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 495mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX19-1\/2 can replace a wrapped Z19-1\/2 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest size is \u003ca href=\"\/products\/optibelt-super-tx-zx21-5\"\u003eZX21-1\/2\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":39532616810593,"sku":"TB00008113","price":6.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"optibelt-super-tx-zx21-6","title":"ZX21-1\/2 \/ 546 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX21-1\/2 is a ZX section cogged raw-edge V-belt, 10mm wide with a 21.5″ (546mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e546mm (21.5″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e568mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX21-1\/2, often with the pitch length 568. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 546mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX21-1\/2 can replace a wrapped Z21-1\/2 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest size is \u003ca href=\"\/products\/optibeltzx23-597-stx-optibelt-super-tx\"\u003eZX23\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":39532621725793,"sku":"TB00008112","price":6.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"},{"product_id":"zx31-pix-x-set","title":"ZX31 PIX X-SET","description":"\u003cp\u003eThe extraordinary flexibility of the raw edge, moulded cogged SUPER TX V-Belts enables extremely small pulley diameters to be used. \u003c\/p\u003e\n\u003cp\u003eHigh quality rubber compounds in connection with low stretch tension cords guarantee high power transmissions and increased operational life.\u003c\/p\u003e\n\u003cp\u003eoptibelt SUPER TX M=S V-Belts are unmeasured, can be used in sets and guarantee a wide performance range when it comes to high levels of efficiency.\u003c\/p\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":40879582183521,"sku":"TB000516320","price":11.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/KR_SuperTX_02_cfc861fd-35a9-485b-b660-97b0d93b570a.jpg?v=1687503567"},{"product_id":"zx40-1-2-1052-stx-optibelt-super-tx","title":"ZX40-1\/2 \/ 1030 Optibelt Super TX V-Belt","description":"\u003cstyle\u003e .tb-prod { --tb-navy: #373e71; --tb-orange: #c46e3a; --tb-ink: #22264a; --tb-muted: #5b6080; --tb-rule: #e3e4ea; color: var(--tb-ink); line-height: 1.6; } .tb-prod, .tb-prod * { box-sizing: border-box; text-align: left !important; } .tb-prod p { margin: 0 0 1em !important; } .tb-prod h3 { color: var(--tb-navy); font-size: 1.05em; margin: 1.4em 0 0.5em !important; } .tb-prod table { width: 100%; border-collapse: collapse; margin: 0 0 1em !important; font-size: 0.95em; } .tb-prod th, .tb-prod td { padding: 0.5em 0.75em; border-bottom: 1px solid var(--tb-rule); } .tb-prod th { width: 42%; color: var(--tb-navy); font-weight: 600; background: #f3f3f6; } .tb-prod ul { margin: 0 0 1em !important; padding-left: 1.2em !important; } .tb-prod li { margin: 0 0 0.35em !important; } .tb-prod .tb-prod-note { border-left: 4px solid var(--tb-orange); background: #f3f3f6; border-radius: 8px; padding: 0.9em 1.1em; font-size: 0.95em; } .tb-prod .tb-prod-note p { margin: 0 !important; } .tb-prod a { color: var(--tb-navy); font-weight: 700; text-decoration-color: var(--tb-orange); text-underline-offset: 3px; } \u003c\/style\u003e \u003cdiv class=\"tb-prod\"\u003e \u003cp\u003eThe Optibelt Super TX ZX40-1\/2 is a ZX section cogged raw-edge V-belt, 10mm wide with a 40.5″ (1030mm) inside length. It fits the same pulleys as a classical Z section belt, and is made by Optibelt, our premier brand.\u003c\/p\u003e \u003cp\u003eThe cogs on the underside make Super TX belts far more flexible than a wrapped belt, so they run on much smaller pulleys, stay cooler and transmit more power. The raw-edge sides grip the pulley well and cut slip, which saves energy. They’re made to Optibelt’s M=S standard, so belts of the same size can be used together as a set without measuring and matching.\u003c\/p\u003e \u003ch3\u003eSpecification\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eOptibelt Super TX M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eSection\u003c\/th\u003e\n\u003ctd\u003eZX (fits Z section pulleys)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTop width\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eInside length (Li)\u003c\/th\u003e\n\u003ctd\u003e1030mm (40.5″)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePitch length (Ld)\u003c\/th\u003e\n\u003ctd\u003e1052mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eRaw edge, moulded cogs, M=S\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \u003ch3\u003eCheck it’s the right belt\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThe old belt should be marked ZX40-1\/2, often with the pitch length 1052. The letters are the section and the number is the inside length in inches. Measure 10mm across the top and 6mm deep.\u003c\/li\u003e \u003cli\u003eIf the markings have worn off, wrap a piece of string round the inside of the belt, mark it and measure the string. It should come to about 1030mm.\u003c\/li\u003e \u003cli\u003eA Super TX ZX40-1\/2 can replace a wrapped Z40-1\/2 belt of the same length, and usually runs cooler and lasts longer. On multi-belt drives, change the whole set.\u003c\/li\u003e \u003cli\u003eIf your belt isn’t 10mm wide, see our \u003ca href=\"\/collections\/a-section-13mm-wide\"\u003eA section\u003c\/a\u003e belts.\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv class=\"tb-prod-note\"\u003e \u003cp\u003e\u003cstrong\u003eNot quite the right length?\u003c\/strong\u003e The nearest sizes are \u003ca href=\"\/products\/optibeltzx40-038-stx-optibelt-super-tx\"\u003eZX40\u003c\/a\u003e and \u003ca href=\"\/products\/optibeltzx42-082-stx-optibelt-super-tx\"\u003eZX42\u003c\/a\u003e, or see our \u003ca href=\"\/collections\/z-section\"\u003eZ section belts\u003c\/a\u003e. Not sure? Call \u003ca href=\"tel:+442081382848\"\u003e020 8138 2848\u003c\/a\u003e and we’ll help you find the right belt.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Optibelt","offers":[{"title":"Default Title","offer_id":57216980615541,"sku":"TB000516241","price":14.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2473\/6104\/files\/Optibelt_Super-TX.png?v=1791647758"}],"url":"https:\/\/www.totallybelts.com\/collections\/zx-section-10mm-wide.oembed?page=2","provider":"Totally Belts","version":"1.0","type":"link"}