Description
The Renthal Rear Sprocket is a limited edition, hard-anodized 520-49 tooth sprocket designed for 2002-2023 Yamaha YZ125, YZ250/F/X, and YZ450F models. Made from 7075-T6 aluminum alloy, it is 66% lighter than steel while maintaining exceptional durability. Engineered with an advanced tooth profile for optimal power transfer and longevity, it features a high-strength base material combined with a hard-wearing surface to extend chainwheel life. Self-cleaning mud grooves help prevent dirt buildup, making it ideal for Supercross, Motocross, and Enduro riding.








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