RFX FXRS 50-51 99RD is a CNC-machined aluminum rear sprocket designed for KTM, Husqvarna, and Gas Gas motorcycles from 1999 to 2001. Crafted from 7075 aerospace aluminum, this sprocket features strengthening gussets and chamfered weight-reducing cutouts to optimize performance. The mud clearing grooves extend sprocket life by reducing debris buildup, while the 2-tone anodized and polished finish provides a factory-style appearance. This sprocket is engineered for durability and precision, making it suitable for aggressive riding and racing applications.
Construction from aerospace-grade aluminum ensures strength while maintaining a lightweight profile. The CNC machining process guarantees tight tolerances for consistent performance. The anodized and polished finish not only enhances aesthetics but also provides corrosion resistance. Designed for easy installation, this sprocket is an essential upgrade for riders seeking improved power transfer and longevity in their drivetrain components.
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
