RFX FXRS 51-48 99BU aluminum rear sprocket is designed for KTM, Husqvarna, and GasGas bikes with a 48-tooth configuration. Crafted from CNC machined 7075 aerospace aluminum, it offers strength and lightweight performance for off-road and motocross applications.
The sprocket features chamfered weight-reducing cutouts and mud clearing grooves, which help extend sprocket life and maintain optimal performance in muddy or harsh conditions. Strengthening gussets enhance durability, while the laser-etched RFX logo provides a factory-bike aesthetic. The two-tone anodized and polished finish adds a sleek, professional appearance to your bike.
Designed for compatibility with models requiring a 48T rear sprocket, this component is an essential upgrade for riders seeking reliable durability and performance. Easy to install and built to withstand demanding riding conditions, it combines style with functionality for motocross and off-road enthusiasts.
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
