{"product_id":"vortex-racing-v4-45-tooth-525-rear-sprocket-black-5","title":"Vortex Racing V4 45 Tooth 525 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 45-tooth 525 rear sprocket in black. 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 can help improve acceleration, throttle response, handling, and overall agility, making this sprocket well suited for street riding, track use, and performance-focused applications.\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e  \u003cli\u003eExcellent concentricity supports smooth, quiet operation and efficient power transfer\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003ePrecision-machined from high-strength 7075-T6 aluminum for a strong, lightweight design\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eApproximately 10–15% lighter than the previous CAT5 sprocket platform\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eBlack finish provides a clean, performance-oriented appearance\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003eManufactured in the USA\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003eThe 45-tooth configuration is engineered for motorcycles using a 525 chain, providing a reliable replacement or gearing component for compatible applications. Its precision manufacturing helps promote consistent chain engagement and dependable operation throughout the sprocket’s service life. The Vortex Racing V4 rear sprocket is a practical choice for riders seeking reduced drivetrain weight without compromising the durability required for demanding street or track environments.\u003cbr\u003eThis Vortex Racing sprocket is identified by part number vtx454ZKV4-45 and fits select motorcycles, including the 2009 Kawasaki EX650 Ninja 650R and 2016 Kawasaki ZR800 Z800 ABS. Confirm your motorcycle’s year, model, chain size, tooth count, and drivetrain specifications before installation. Professional installation and proper chain alignment, torque, and adjustment are recommended for safe operation and optimum performance.\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e45-tooth rear sprocket for 525 chain applications\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\u003eApproximately 10–15% lighter than the CAT5 platform\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExcellent concentricity for smooth, quiet operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSupports efficient power transfer and reduced rotating mass\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\u003cul\u003e\u003cli\u003eFits 2009 Kawasaki EX650 Ninja 650R\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFits 2016 Kawasaki ZR800 Z800 ABS\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nKawasaki EX650 Ninja 650R Base 2009\u003cbr\u003e\nKawasaki ZR800 Z800 ABS Base 2016","brand":"Vortex Racing","offers":[{"title":"Default Title","offer_id":67598560198972,"sku":"vtx454ZKV4-45","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/7d08cc7e82f75e98c8dd04025f3b4eceL_a275e112-980d-4b25-a24b-6af0f0752726.jpg?v=1790651737","url":"https:\/\/necycleshop.com\/products\/vortex-racing-v4-45-tooth-525-rear-sprocket-black-5","provider":"NE Cycle Shop","version":"1.0","type":"link"}