Rear Sprocket Grooved – Black 520-51 Teeth

Description

The Renthal Ultralight Rear Sprocket is designed for high-performance motocross, Supercross, and enduro riding. Precision CNC-machined from 7075-T6 aluminum alloy, it is 66% lighter than steel while maintaining exceptional durability. The sprocket features advanced tooth profiling for maximum power transfer and longevity. Self-cleaning mud grooves at each tooth help prevent dirt buildup, improving wear resistance. Engineered with tight tolerances for precise fitment and load dispersion, this sprocket is trusted by factory race teams worldwide. Compatible with 15-22 Yamaha WR250F, YZ250F/FX, and 2005 YZ450F models, it comes in a black finish with 51 teeth.