RFX Aluminum Rear Sprocket 40T Orange for KTM, Husqvarna, and Gas Gas

Upgrade your motorcycle's drivetrain with the RFX FXRS 57-40 99OR aluminum rear sprocket. Crafted from CNC machined 7075 aerospace-grade aluminum, this sprocket offers exceptional strength and durability while maintaining a lightweight profile that enhances performance. The 40-tooth design provides a perfect balance of power and efficiency for off-road and motocross riding. The sprocket features laser-etched RFX branding and a distinctive two-tone anodized and polished finish, giving your bike a factory-style look that stands out.
The sprocket includes strengthening gussets to improve rigidity and longevity under demanding riding conditions. Chamfered weight-reducing cutouts reduce rotational mass, contributing to quicker acceleration and improved handling. Mud clearing grooves are incorporated into the design to prevent debris buildup, which can extend the lifespan of the sprocket and ensure consistent performance even in muddy or gritty environments. This combination of features makes the RFX FXRS 57-40 99OR sprocket an excellent upgrade for riders seeking durability, style, and enhanced riding dynamics.
Designed specifically for KTM, Husqvarna, and Gas Gas motorcycles, this sprocket seamlessly integrates with your existing drivetrain components. Easy to install, it provides a reliable and stylish solution for those wanting to improve their bike’s performance and appearance. Whether for competitive racing or recreational riding, this sprocket offers a high-quality upgrade that meets the demands of aggressive off-road riding while maintaining the sleek factory look.

Features:

• Laser etched RFX logo for brand authenticity and style

• CNC machined from 7075 aerospace aluminum for maximum strength and lightweight design

• Strengthening gussets enhance durability and rigidity

• Chamfered weight-reducing cutouts improve acceleration and handling

• Mud clearing grooves extend sprocket lifespan in muddy conditions

• Two-tone color anodized and polished finish provides a factory bike appearance