{"product_id":"vortex-racing-v4-43-tooth-520-rear-sprocket-black-8","title":"Vortex Racing V4 43 Tooth 520 Rear Sprocket - Black","description":"The next generation of Vortex aluminum rear sprockets, V4 builds on the long-running CAT5 sprocket platform with a lighter, more aggressive design. Reduced rotating mass improves acceleration, throttle response, handling, and overallagility. Ideal for street, track, and performance applications.\n\u003cul\u003e\n  \u003cli\u003eExcellent concentricity for smooth, quiet operation and efficient power transfer\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined from high-strength 7075-T6 aluminum\u003c\/li\u003e\n  \u003cli\u003e10-15% Lighter than CAT5\u003c\/li\u003e\n  \u003cli\u003eManufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your motorcycle’s final-drive performance with the Vortex Racing V4 43-tooth 520 rear sprocket in black. Built as the next generation of the proven CAT5 sprocket platform, this V4 model features a lighter, more aggressive design that helps reduce rotating mass. The result is improved acceleration, sharper throttle response, more responsive handling, and enhanced overall agility for street riding, track use, and performance applications. This sprocket is identified by Vortex Racing part number vtx317ZKV4-43 and is designed for compatible 520 chain-drive systems.\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e  \u003cli\u003e\n\u003cstrong\u003eExcellent concentricity:\u003c\/strong\u003e Promotes smooth, quiet operation and efficient power transfer throughout the drivetrain.\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e\n\u003cstrong\u003eHigh-strength construction:\u003c\/strong\u003e Precision-machined from durable 7075-T6 aluminum for a strong, lightweight performance component.\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e\n\u003cstrong\u003eReduced rotating mass:\u003c\/strong\u003e The V4 design is 10–15% lighter than the previous CAT5 platform, supporting quicker response and improved handling.\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e\n\u003cstrong\u003e43-tooth configuration:\u003c\/strong\u003e Provides a performance-oriented gearing option for compatible motorcycles using a 520 chain.\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e\n\u003cstrong\u003eBlack finish:\u003c\/strong\u003e Delivers a clean, aggressive appearance that complements a wide range of motorcycle builds.\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Manufactured in the United States to Vortex Racing quality standards.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003eBefore installation, confirm chain size, tooth count, fitment, and drivetrain compatibility with your motorcycle manufacturer’s specifications. Proper alignment and installation are essential for smooth operation, long service life, and safe performance. The Vortex Racing V4 rear sprocket is supplied as a single replacement component and is intended for use with compatible 520 chain applications.\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eExcellent concentricity promotes smooth, quiet operation and efficient power transfer\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePrecision-machined from high-strength 7075-T6 aluminum\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e10–15% lighter than the Vortex Racing CAT5 sprocket platform\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e43-tooth design for compatible 520 chain-drive systems\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBlack finish provides an aggressive, streamlined appearance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured in the USA\u003c\/li\u003e\u003c\/ul\u003e","brand":"Vortex Racing","offers":[{"title":"Default Title","offer_id":67598541750588,"sku":"vtx317ZKV4-43","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/7d08cc7e82f75e98c8dd04025f3b4eceL_4204322c-a3a2-419f-8411-cc3ddb2a76b5.jpg?v=1790651142","url":"https:\/\/necycleshop.com\/products\/vortex-racing-v4-43-tooth-520-rear-sprocket-black-8","provider":"NE Cycle Shop","version":"1.0","type":"link"}