RFX FXRS 31-52 99BK aluminum rear sprocket is designed for durability and performance in motocross applications. CNC machined from 7075 aerospace aluminum, it offers strength and lightweight construction.
The sprocket features laser-etched RFX logo and chamfered weight-reducing cutouts to optimize weight savings. Strengthening gussets enhance structural integrity, while mud clearing grooves help extend sprocket life by preventing mud buildup.
Finished in a two-tone anodized and polished look, this sprocket provides a factory-style appearance. It is suitable for Yamaha models with 52-tooth configurations and fits a range of year models. Always verify compatibility before installation.
Features:
Laser etched RFX logo
CNC machined from 7075 aerospace aluminum
Strengthening gussets
Chamfered weight-reducing cutouts
Mud clearing grooves for longer lasting sprocket life
2-tone color anodized/ polished finish for that Factory Bike look
