{"product_id":"renthal-ultralight-rear-sprocket-51t-red-crf-xr-cr-models-154u-520-51grrd","title":"Renthal Ultralight Rear Sprocket 51T RED – CRF\/XR\/CR Models – 154U-520-51GRRD","description":"\u003ch2 data-start=\"331\" data-end=\"412\"\u003e\u003cstrong data-start=\"331\" data-end=\"412\"\u003e✨Renthal Ultralight Rear Sprocket 51T RED – CRF\/XR\/CR Models – 154U-520-51GRRD\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"414\" data-end=\"774\" class=\"\"\u003eLooking to squeeze out every bit of performance from your ride? The \u003cstrong data-start=\"482\" data-end=\"524\"\u003eRenthal Ultralight Rear Sprocket (51T)\u003c\/strong\u003e is your go-to upgrade for better acceleration, reduced weight, and top-tier reliability. \u003cstrong data-start=\"614\" data-end=\"648\"\u003eCNC machined in Manchester, UK\u003c\/strong\u003e from aerospace-grade \u003cstrong data-start=\"670\" data-end=\"690\"\u003e7075 T6 aluminum\u003c\/strong\u003e, it’s \u003cstrong data-start=\"697\" data-end=\"723\"\u003e66% lighter than steel\u003c\/strong\u003e and built with the precision Renthal is known for.\u003c\/p\u003e\n\u003cp data-start=\"776\" data-end=\"1170\" class=\"\"\u003eWith \u003cstrong data-start=\"781\" data-end=\"820\"\u003ecomputer-engineered tooth profiling\u003c\/strong\u003e and load dispersion, this sprocket offers smoother chain engagement and maximum power transfer. The \u003cstrong data-start=\"921\" data-end=\"943\"\u003ered grooved finish\u003c\/strong\u003e isn’t just for looks—it helps improve chain grip, reduce debris buildup, and cut unnecessary weight. Whether you’re chasing lap times or exploring new trails, the \u003cstrong data-start=\"1107\" data-end=\"1126\"\u003e154U-520-51GRRD\u003c\/strong\u003e delivers race-level performance every time.\u003c\/p\u003e\n\u003cp data-start=\"1172\" data-end=\"1306\" class=\"\"\u003eThis is why \u003cstrong data-start=\"1184\" data-end=\"1228\"\u003emore factory teams run Renthal sprockets\u003c\/strong\u003e than any other brand—lightweight, strong, and relentlessly engineered to win.\u003c\/p\u003e\n\u003chr data-start=\"1308\" data-end=\"1311\" class=\"\"\u003e\n\u003ch3 data-start=\"1313\" data-end=\"1330\" class=\"\"\u003eKey Features:\u003c\/h3\u003e\n\u003cp data-start=\"1333\" data-end=\"1381\" class=\"\"\u003e\u003cstrong data-start=\"1333\" data-end=\"1346\"\u003e✅ Material:\u003c\/strong\u003e Aerospace-grade 7075 T6 aluminum\u003c\/p\u003e\n\u003cp data-start=\"1384\" data-end=\"1430\" class=\"\"\u003e\u003cstrong data-start=\"1384\" data-end=\"1405\"\u003e✅ Weight Advantage:\u003c\/strong\u003e 66% lighter than steel\u003c\/p\u003e\n\u003cp data-start=\"1433\" data-end=\"1503\" class=\"\"\u003e\u003cstrong data-start=\"1433\" data-end=\"1444\"\u003e ✅ Design:\u003c\/strong\u003e Grooved red finish enhances chain engagement and styling\u003c\/p\u003e\n\u003cp data-start=\"1506\" data-end=\"1576\" class=\"\"\u003e\u003cstrong data-start=\"1506\" data-end=\"1522\"\u003e✅ Tooth Count:\u003c\/strong\u003e 51T for increased low-end torque and quicker starts\u003c\/p\u003e\n\u003cp data-start=\"1579\" data-end=\"1613\" class=\"\"\u003e\u003cstrong data-start=\"1579\" data-end=\"1595\"\u003e✅ Part Number:\u003c\/strong\u003e 154U-520-51GRRD\u003c\/p\u003e\n\u003cp data-start=\"1616\" data-end=\"1685\" class=\"\"\u003e\u003cstrong data-start=\"1616\" data-end=\"1631\"\u003e✅ Durability:\u003c\/strong\u003e Built to withstand motocross, enduro, and trail abuse\u003c\/p\u003e\n\u003chr data-start=\"1687\" data-end=\"1690\" class=\"\"\u003e\n\u003ch3 data-start=\"1692\" data-end=\"1720\" class=\"\"\u003eCompatible Honda Models:\u003c\/h3\u003e\n\u003cul data-start=\"1721\" data-end=\"1909\"\u003e\n\u003cli data-start=\"1721\" data-end=\"1785\" class=\"\"\u003e\n\u003cp data-start=\"1723\" data-end=\"1785\" class=\"\"\u003e\u003cstrong data-start=\"1723\" data-end=\"1783\"\u003eCRF450R, CRF450RX, CRF450RL, CRF450RWE, CRF450L, CRF450X\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1786\" data-end=\"1829\" class=\"\"\u003e\n\u003cp data-start=\"1788\" data-end=\"1829\" class=\"\"\u003e\u003cstrong data-start=\"1788\" data-end=\"1827\"\u003eCRF250R, CRF250RX, CRF250F, CRF250X\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1878\" class=\"\"\u003e\n\u003cp data-start=\"1832\" data-end=\"1878\" class=\"\"\u003e\u003cstrong data-start=\"1832\" data-end=\"1876\"\u003eCRF230F, CRF150F, CR125R, CR250R, CR500R\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1879\" data-end=\"1909\" class=\"\"\u003e\n\u003cp data-start=\"1881\" data-end=\"1909\" class=\"\"\u003e\u003cstrong data-start=\"1881\" data-end=\"1907\"\u003eXR250R, XR400R, XR650R\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1911\" data-end=\"1989\" class=\"\"\u003e(Fits select model years from 1983–2023. Confirm fitment for your exact bike.)\u003c\/p\u003e\n\u003chr data-start=\"1991\" data-end=\"1994\" class=\"\"\u003e\n\u003ch3 data-start=\"1996\" data-end=\"2005\" class=\"\"\u003eFAQs:\u003c\/h3\u003e\n\u003cp data-start=\"2007\" data-end=\"2174\" class=\"\"\u003e\u003cstrong data-start=\"2007\" data-end=\"2047\"\u003eQ: Will this affect my gearing much?\u003c\/strong\u003e\u003cbr data-start=\"2047\" data-end=\"2050\"\u003eA: The 51T sprocket offers stronger low-end pull and improved acceleration—great for tight tracks or technical trail riding.\u003c\/p\u003e\n\u003cp data-start=\"2176\" data-end=\"2351\" class=\"\"\u003e\u003cstrong data-start=\"2176\" data-end=\"2228\"\u003eQ: Is this good for everyday use or just racing?\u003c\/strong\u003e\u003cbr data-start=\"2228\" data-end=\"2231\"\u003eA: It’s made for performance but tough enough for everyday off-road riders who want lasting quality and a lighter setup.\u003c\/p\u003e\n\u003chr data-start=\"2353\" data-end=\"2356\" class=\"\"\u003e\n\u003cp data-start=\"2358\" data-end=\"2531\" class=\"\"\u003e\u003cstrong data-start=\"2358\" data-end=\"2461\"\u003eUpgrade your drivetrain with the Renthal Ultralight Rear Sprocket for Honda CRF, XR, and CR models.\u003c\/strong\u003e Better power, smoother ride, and that unmistakable factory-bike feel.\u003c\/p\u003e\n\u003cp data-start=\"2533\" data-end=\"2574\" class=\"\"\u003e\u003cstrong data-start=\"2533\" data-end=\"2574\"\u003eClick “Buy Now” and bolt on the best.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e","brand":"RENTHAL","offers":[{"title":"Default Title","offer_id":42622544773203,"sku":"154U-520-51GRRD","price":94.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/renthal-ultralight-rear-sprocket-51t-red-crfxrcr-models-154u-520-51grrd-664320.jpg?v=1744691959","url":"https:\/\/motohousemx.com\/products\/renthal-ultralight-rear-sprocket-51t-red-crf-xr-cr-models-154u-520-51grrd","provider":"Moto-House MX","version":"1.0","type":"link"}