{"product_id":"vortex-racing-v4-45-tooth-520-rear-sprocket-black-4","title":"Vortex Racing V4 45 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 45-tooth 520 rear sprocket. 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 for street riding, track use, and other performance applications. This black rear sprocket is designed to fit the 2006 Yamaha YZF-R1 LE.\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 performance and durability\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e10–15% lighter than the Vortex CAT5 sprocket design to reduce rotating mass\u003c\/li\u003e\n\u003cbr\u003e  \u003cli\u003e45-tooth configuration for compatible 520 chain applications\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 rear sprocket, part number vtx840AZKV4-45, combines precise manufacturing with a lightweight aluminum construction to deliver dependable drivetrain performance. Its accurate concentricity helps maintain consistent chain engagement while supporting smooth operation during acceleration and steady-speed riding. The aggressive V4 design provides a performance-focused appearance while helping reduce unnecessary rotating weight compared with the previous CAT5 platform.\u003cp\u003eInstallation should be completed using the manufacturer’s recommended procedures and appropriate torque specifications. Verify chain size, tooth count, wheel compatibility, and vehicle fitment before installation. This sprocket is sold individually and is intended for use with the 2006 Yamaha YZF-R1 LE as specified by Vortex Racing.\u003c\/p\u003e\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 Vortex CAT5 sprocket design\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e45-tooth rear sprocket for 520 chain applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBlack finish with an aggressive V4 design\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eManufactured in the USA\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFits the 2006 Yamaha YZF-R1 LE\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nYamaha YZF-R1 LE Base 2006","brand":"Vortex Racing","offers":[{"title":"Default Title","offer_id":67598431813948,"sku":"vtx840AZKV4-45","price":92.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/7d08cc7e82f75e98c8dd04025f3b4eceL_7a24bba4-a75e-4f67-8daa-ce7bebf9aa1f.jpg?v=1790648698","url":"https:\/\/necycleshop.com\/products\/vortex-racing-v4-45-tooth-520-rear-sprocket-black-4","provider":"NE Cycle Shop","version":"1.0","type":"link"}