RFX FXRS 20-48 99BK aluminum rear sprocket is designed for motocross and off-road bikes, featuring CNC machined 7075 aerospace aluminum construction for strength and weight reduction. The sprocket includes chamfered cutouts and mud clearing grooves to enhance longevity and performance under demanding riding conditions. Laser etched RFX logo and a two-tone anodized/polished finish give it a factory look, suitable for race bikes and performance builds.
Constructed from lightweight yet sturdy aerospace aluminum, this sprocket provides durability and resistance to wear. Strengthening gussets improve structural integrity, while the mud clearing grooves help prevent dirt buildup that can cause premature wear. The 48-tooth configuration offers a balance of torque and speed, ideal for aggressive riding styles.
This sprocket kit includes the sprocket itself with all necessary mounting hardware. Designed to fit specific Kawasaki models, it is a direct replacement for OEM parts, ensuring proper fitment and compatibility. Perfect for riders seeking performance upgrades or replacement parts to maintain their bike’s drivetrain integrity.
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
