RFX FXRS 57-43 99RD aluminum rear sprocket designed for KTM, Husqvarna, and Gas Gas models.
Constructed from CNC-machined 7075 aerospace aluminum, this sprocket provides strength and lightweight performance. It features chamfered weight-reducing cutouts and mud clearing grooves to extend sprocket life and improve dirt clearance. Strengthening gussets add durability to withstand demanding riding conditions. The sprocket’s 2-tone anodized and polished finish offers a factory bike look.
This sprocket is suitable for models with a 43-tooth configuration, with dimensions optimized for precise fitment and performance. Its design emphasizes both form and function, ensuring longevity and consistent power transfer during riding.
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
