Renthal Ultralight Blue 50T Rear Sprocket 428 Fits RM80/YZ85

Description

The Renthal Ultralight Rear Sprocket is a high-performance replacement for the 89-01 Suzuki RM80 and 2002 Yamaha YZ85. CNC-machined from 7075-T6 aluminum alloy, it is 66% lighter than steel while maintaining exceptional durability. Designed to withstand the demands of motocross, supercross, and enduro racing, this sprocket features advanced tooth profiling for maximum power transfer and longevity. Self-cleaning mud grooves help prevent buildup, ensuring consistent performance in harsh conditions. Engineered for precise fitment and load dispersion, Renthal’s Ultralight Rear Sprocket is a top choice for factory race teams worldwide. Blue, 50-tooth, 428 pitch.