{"product_id":"vortex-racing-v4-43-tooth-520-rear-sprocket-black-6","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. Designed as the next generation of the proven CAT5 platform, this black aluminum sprocket features a lighter, more aggressive design that helps reduce rotating mass. The result is improved acceleration, sharper throttle response, enhanced handling, and greater overall agility for street riding, track use, and other performance applications.\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e  \u003cli\u003eExcellent concentricity promotes smooth, quiet operation and efficient power transfer\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003ePrecision-machined from high-strength 7075-T6 aluminum for reliable performance\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e10–15% lighter than the previous CAT5 design to reduce rotating mass\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e43-tooth configuration is engineered for use with 520 chain systems\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eBlack finish provides a clean, performance-focused appearance\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eManufactured in the USA\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003eThe Vortex Racing V4 sprocket, part number vtx170ZKV4-43, is built for riders who want responsive power delivery without sacrificing dependable drivetrain operation. Its precision manufacturing helps maintain accurate chain alignment and consistent engagement, while the lightweight 7075-T6 aluminum construction supports reduced unsprung and rotating weight. Whether fitted to a street motorcycle, track bike, or performance-focused powersports application, this rear sprocket delivers a practical balance of strength, efficiency, and weight savings.\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eExcellent concentricity for 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 CAT5 sprocket platform\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e43-tooth rear sprocket for 520 chain applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBlack finish\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":67598537589052,"sku":"vtx170ZKV4-43","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/7d08cc7e82f75e98c8dd04025f3b4eceL_b385f69f-7b63-478f-a633-1346f6dfe89a.jpg?v=1790650906","url":"https:\/\/necycleshop.com\/products\/vortex-racing-v4-43-tooth-520-rear-sprocket-black-6","provider":"NE Cycle Shop","version":"1.0","type":"link"}