Renthal Ultralight Rear Sprocket Silver 420-57T Fits CR 85RB CRF 150RB

Description

The Renthal Ultralight Rear Sprocket is designed for high-performance motocross and enduro applications. Precision CNC-machined from 7075-T6 aluminum alloy, it is 66% lighter than steel while maintaining exceptional durability. The advanced tooth profile ensures maximum power transfer and extended chain life, while self-cleaning mud grooves help prevent dirt buildup. Engineered for a precise fit and load distribution, this 57-tooth rear sprocket is built to withstand the demands of racing. Compatible with 03-07 Honda CR85RB and 07-09/12-14 CRF150RB models.