RFX FXRS 51-51 99RD aluminum rear sprocket designed for KTM, Husqvarna, and Gas Gas motorcycles.
Constructed from CNC-machined 7075 aerospace aluminum, this sprocket features a chamfered weight-reducing design and strengthening gussets for increased durability. Laser-etched RFX logo adds a factory-style touch, while mud clearing grooves extend sprocket lifespan. The 2-tone anodized and polished finish provides a distinctive appearance.
This sprocket is engineered to withstand demanding riding conditions, offering reliable performance and longevity. Its lightweight aluminum construction reduces rotational mass, contributing to improved acceleration and handling. Suitable for various models within the specified years, it combines strength with reduced weight for optimal performance.
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
