RFX FXRS 51-51 99BU aluminum rear sprocket is designed for off-road and motocross applications, offering a lightweight yet strong component for enhanced performance. Crafted from CNC machined 7075 aerospace aluminum, it provides high strength and resistance to impact and wear.
The sprocket features chamfered weight-reducing cutouts and mud clearing grooves that help extend sprocket life and maintain optimal chain engagement. Strengthening gussets add durability, ensuring it withstands rigorous riding conditions. Its two-tone anodized and polished finish delivers a factory bike look, combining style with functionality.
Included in the package is the sprocket itself, ready for installation on compatible KTM, Husqvarna, and GasGas models. This sprocket is suitable for riders seeking to improve their bike’s drivetrain efficiency and longevity in competitive or recreational riding environments.
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
