{"product_id":"gates-gt4-primary-belt-640-8mr-25mm","title":"Gates GT4 Primary Belt 640-8MR-25MM","description":"\u003cp data-start=\"369\" data-end=\"778\"\u003eThe Gates PowerGrip GT4 25-mm Primary Belt is a direct OEM replacement and performance upgrade for the \u003cstrong data-start=\"475\" data-end=\"515\"\u003eSur Ron Ultra Bee electric dirt bike\u003c\/strong\u003e. Designed specifically for the \u003cstrong data-start=\"547\" data-end=\"602\"\u003eflanged primary pulley system used on the Ultra Bee\u003c\/strong\u003e, this belt delivers increased torque capacity, stable tracking, and long life for riders putting serious miles on trails, tracks, and high-power builds across the U.S.\u003c\/p\u003e\n\u003cp data-start=\"780\" data-end=\"1101\"\u003eUnlike narrower belts like the OEM, the Ultra Bee platform relies on \u003cstrong data-start=\"893\" data-end=\"917\"\u003ewider belt sprockets\u003c\/strong\u003e to manage higher torque loads. This \u003cstrong data-start=\"954\" data-end=\"1005\"\u003e25 mm-wide GT4 belt gives you maximum belt width\u003c\/strong\u003e, ensuring proper pulley engagement without overhanging, misalignment, or accelerated edge wear.\u003c\/p\u003e\n\u003cp data-start=\"1103\" data-end=\"1425\"\u003eThe PowerGrip™ GT4™ construction uses a high-torque synchronous design with an optimized tooth profile that maintains correct clearance on flanged pulleys. Load is distributed evenly across the belt width, reducing heat buildup, minimizing friction, and preventing premature failure common with inferior aftermarket belts.\u003c\/p\u003e\n\u003cp data-start=\"1427\" data-end=\"1610\"\u003eWhether you’re replacing a failed belt or upgrading ahead of time, this GT4 belt is a proven solution for stock and modified Ultra Bee setups that demand reliability and consistency.\u003c\/p\u003e\n\u003cp data-start=\"1617\" data-end=\"1632\"\u003e\u003cstrong data-start=\"1620\" data-end=\"1632\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1636\" data-end=\"1694\"\u003eDirect OEM replacement upgrade\u003c\/li\u003e\n\u003cli data-start=\"1697\" data-end=\"1757\"\u003e\n\u003cstrong data-start=\"1697\" data-end=\"1716\"\u003e25 mm wide belt\u003c\/strong\u003e for max width on OEM belt sprockets\u003c\/li\u003e\n\u003cli data-start=\"1760\" data-end=\"1821\"\u003eGates PowerGrip GT4 high-torque carbon synchronous construction\u003c\/li\u003e\n\u003cli data-start=\"1824\" data-end=\"1888\"\u003eOptimized tooth profile for stable tracking on flanged pulleys\u003c\/li\u003e\n\u003cli data-start=\"1891\" data-end=\"1958\"\u003eReduced friction for smoother power transfer and longer belt life\u003c\/li\u003e\n\u003cli data-start=\"1961\" data-end=\"2023\"\u003eDurable ethylene elastomer compound resists stretch and wear\u003c\/li\u003e\n\u003cli data-start=\"2026\" data-end=\"2076\"\u003eIdeal for stock and high-output builds\u003c\/li\u003e\n\u003cli data-start=\"2079\" data-end=\"2134\"\u003eDeveloped through GritShift R\u0026amp;D with Gates® engineers\u003c\/li\u003e\n\u003cli data-start=\"2137\" data-end=\"2166\"\u003e\u003cstrong data-start=\"2137\" data-end=\"2164\"\u003eManufactured in the USA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eSur Ron Ultra Bee\u003c\/p\u003e","brand":"GritShift","offers":[{"title":"Default Title","offer_id":43115287445571,"sku":"640-8MR-25MM","price":69.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/3180\/7555\/files\/UltraBeeGatesGT4BeltUpgrade1.jpg?v=1775239317","url":"https:\/\/yzwarehouse.us\/products\/gates-gt4-primary-belt-640-8mr-25mm","provider":"YZWAREHOUSE","version":"1.0","type":"link"}