{"product_id":"vortex-racing-v4-44-tooth-520-rear-sprocket-black-6","title":"Vortex Racing V4 44 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 drivetrain with the Vortex Racing V4 44-tooth 520 rear sprocket, part number vtx170ZKV4-44. Designed as the next generation of Vortex aluminum rear sprockets, the V4 builds on the proven CAT5 platform with a lighter, more aggressive profile. Reduced rotating mass helps support quicker acceleration, improved throttle response, sharper handling, and greater overall agility for street, track, and 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 durable performance\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e10–15% lighter than the previous CAT5 design to help reduce unsprung and rotating weight\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 to Vortex Racing quality standards\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003eThe Vortex Racing V4 sprocket is engineered for riders who want responsive power delivery without unnecessary drivetrain weight. Its precision construction helps maintain consistent chain engagement and smooth operation, while the 44-tooth configuration offers a practical balance of acceleration and gearing performance when matched with a compatible 520 chain and motorcycle setup. Confirm fitment, mounting pattern, and gearing requirements before installation.\u003cbr\u003eBuilt for demanding riding conditions, this Vortex Racing rear sprocket combines lightweight aluminum construction with accurate machining and reliable tooth alignment. Whether preparing a motorcycle for daily street riding, track days, or other high-performance use, the V4 design provides a dependable replacement or gearing upgrade. Professional installation is recommended, and chain and sprocket components should be inspected together to help ensure proper drivetrain performance.\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e44-tooth rear sprocket compatible with 520 chain systems\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 CAT5 sprocket design\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReduced rotating mass supports acceleration, throttle response, and handling\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExcellent concentricity for smooth, quiet operation and efficient power transfer\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAggressive V4 profile designed for street, track, and performance 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":67598538801468,"sku":"vtx170ZKV4-44","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/7d08cc7e82f75e98c8dd04025f3b4eceL_cc627e82-a4ef-4119-8605-28e0f6e45e48.jpg?v=1790650968","url":"https:\/\/necycleshop.com\/products\/vortex-racing-v4-44-tooth-520-rear-sprocket-black-6","provider":"NE Cycle Shop","version":"1.0","type":"link"}