{"product_id":"m-w-aluminum-rear-sprocket-41t-6-43-bc-520-chain","title":"M\u0026W Aluminum Rear Sprocket 41T 6.43 BC 520 Chain — Micro Sprint Drivetrain","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout M\u0026amp;W Aluminum\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eM\u0026amp;W Aluminum engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full M\u0026amp;W Aluminum lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Performance 41T Aluminum Rear Sprocket\u003c\/h2\u003e\u003cp\u003eOptimize your drivetrain efficiency with the M\u0026amp;W Aluminum Rear Sprocket. Designed specifically for Micro Sprint racing, this 41-tooth sprocket is crafted from high-grade aluminum to reduce rotating mass, allowing for quicker acceleration and improved throttle response. The 6.43-inch bolt circle (BC) ensures a precise fit for standard racing hubs, providing a secure and reliable connection for your 520 chain setup.\u003c\/p\u003e\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTooth Count: 41T\u003c\/li\u003e\n\u003cli\u003eBolt Circle: 6.43 inch\u003c\/li\u003e\n\u003cli\u003eChain Pitch: 520\u003c\/li\u003e\n\u003cli\u003eMaterial: Lightweight Aluminum\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003cli\u003eApplication: Micro Sprint Drivetrain\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe natural aluminum finish is both functional and durable, designed to withstand the high-torque demands of competitive dirt track racing. By reducing unsprung weight, this sprocket helps your suspension work more effectively, leading to better traction and overall vehicle handling. Whether you are looking to change your gear ratio for a specific track or simply need a high-quality replacement, this M\u0026amp;W sprocket is an excellent choice for performance-minded racers. Ensure your drivetrain is ready for the checkered flag with reliable components from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular M\u0026amp;W Aluminum products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/m-w-aluminum-torsion-bushing-095in-tube\" style=\"color:#0066cc;text-decoration:none;\"\u003eM\u0026amp;W Aluminum Torsion Bushing .095in Tube — Precision Suspension Component\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/m-w-aluminum-rear-sprocket-40t-6-43-bc-520-chain\" style=\"color:#0066cc;text-decoration:none;\"\u003eM\u0026amp;W Aluminum Rear Sprocket 40T 6.43in BC 520 Chain — Micro Sprint Drivetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/m-w-aluminum-swaged-rod-1-125in-x-24in-5-8in-thread\" style=\"color:#0066cc;text-decoration:none;\"\u003eM\u0026amp;W Aluminum Swaged Rod 1.125in OD x 24in Length 5\/8in Thread — Suspension Tube\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/m-w-aluminum-swaged-rod-1-25in-x-38in-5-8in-thread\" style=\"color:#0066cc;text-decoration:none;\"\u003eM\u0026amp;W Aluminum Swaged Rod 1.25in x 38in 5\/8-18 Thread — Suspension Linkage\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/m-w-aluminum-swaged-rod-1in-x-13in-5-8in-thread\" style=\"color:#0066cc;text-decoration:none;\"\u003eM\u0026amp;W Aluminum Swaged Rod 1in x 13in 5\/8in Thread — Suspension Linkage\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"M\u0026W Aluminum Rear Sprocket 41T 6.43 BC 520 Chain \\u2014 Micro Sprint Drivetrain\",\"description\":\"Maximize your Micro Sprint performance with the M\u0026W 41T Aluminum Rear Sprocket. 6.43 BC, 520 chain compatible. Durable and lightweight. Order at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"M\u0026W Aluminum\"},\"mpn\":\"SP520-643-41T\",\"url\":\"https:\/\/ggcracing.com\/products\/m-w-aluminum-rear-sprocket-41t-6-43-bc-520-chain\",\"offers\":{\"@type\":\"Offer\",\"price\":\"48.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/m-w-aluminum-rear-sprocket-41t-6-43-bc-520-chain\",\"sku\":\"BJFJ_SP520-643-41T\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"M\u0026W Aluminum\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=M\u0026W+Aluminum\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"M\u0026W Aluminum Rear Sprocket 41T 6.43 BC 520 Chain \\u2014 Micro Sprint Drivetrain\",\"item\":\"https:\/\/ggcracing.com\/products\/m-w-aluminum-rear-sprocket-41t-6-43-bc-520-chain\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the M\u0026W Aluminum Rear Sprocket 41T 6.43 BC 520 Chain \\u2014 Micro Sprint Drivetrain fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for M\u0026W Aluminum?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the M\u0026W Aluminum Rear Sprocket 41T 6.43 BC 520 Chain \\u2014 Micro Sprint Drivetrain?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"M\u0026W Aluminum","offers":[{"title":"Default Title","offer_id":41434670334036,"sku":"BJFJ_SP520-643-41T","price":48.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/MWASP520-643-41T.jpg?v=1721427866","url":"https:\/\/ggcracing.com\/en-co\/products\/m-w-aluminum-rear-sprocket-41t-6-43-bc-520-chain","provider":"GGCRACING INC","version":"1.0","type":"link"}