Rear Sprocket Grooved – Silver 520-49 Teeth

Description

The Renthal Ultralight Rear Sprocket is a high-performance upgrade designed for 2002-2023 Yamaha YZ125, YZ250/F/X, and YZ450F models. Precision CNC-machined from 7075-T6 aluminum alloy, this sprocket is 66% lighter than steel while maintaining exceptional durability. Engineered for motocross, supercross, and enduro applications, it features an advanced tooth profile for maximum power transfer and longevity. Self-cleaning mud grooves at each tooth help prevent dirt buildup, improving wear resistance and performance in harsh conditions. Renthal’s rigorous manufacturing process ensures tight tolerances, precise fitment, and excellent load dispersion, making it a trusted choice for factory race teams worldwide. This sprocket is silver with 49 teeth and is compatible with 520 chains.