RFX FXRS 51-46 99BK aluminum rear sprocket is designed for KTM, Husqvarna, and Gas Gas motorcycles. Constructed 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 to extend sprocket life and improve dirt shedding. A laser-etched RFX logo adds a factory-style appearance, complemented by a two-tone anodized and polished finish for a sleek, aggressive look.
The sprocket includes strengthening gussets to improve durability under stress and ensure reliable power transfer. Its durable construction helps withstand harsh riding conditions, making it suitable for competitive and recreational riding. Designed for 46-tooth configurations, this sprocket provides optimal gearing for performance and acceleration. Suitable for use with various KTM, Husqvarna, and Gas Gas models from 1999 and onward.
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
