RFX FXRS 57-40 99RD aluminum rear sprocket is designed for KTM, Husqvarna, and Gas models, providing a lightweight solution for optimal power transfer and durability.
Crafted from CNC-machined 7075 aerospace aluminum, this sprocket features strengthening gussets and chamfered weight-reducing cutouts to enhance performance while reducing weight. The mud clearing grooves extend sprocket life by preventing debris buildup, ensuring consistent operation under tough conditions.
The kit includes a 40-tooth sprocket with a two-tone anodized and polished finish that offers a factory bike aesthetic. Laser-etched RFX logo adds a touch of style and authenticity to this high-performance component.
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
