RFX Aluminum Rear Sprocket 45T Orange for KTM, Husqvarna, and Gas Gas Bikes - Part Number FXRS 57-45 99OR

Upgrade your motorcycle's drivetrain with the RFX FXRS 57-45 99OR aluminum rear sprocket, designed specifically for KTM, Husqvarna, and Gas Gas bikes. Crafted from CNC-machined 7075 aerospace aluminum, this sprocket offers exceptional strength and durability while maintaining a lightweight profile. The 45-tooth design provides a balanced combination of acceleration and top speed, ideal for aggressive riding and long-distance touring alike. Its two-tone anodized and polished finish delivers a factory bike aesthetic, ensuring your ride looks as good as it performs.
The sprocket features critical design elements such as strengthening gussets that enhance structural integrity under high loads, and chamfered weight-reducing cutouts that help decrease rotational inertia for quicker throttle response. Mud clearing grooves are integrated into the design to extend sprocket life by reducing mud and debris buildup, which is essential for off-road and mixed terrain riding. The laser-etched RFX logo adds a touch of style and brand authenticity.
Installation is straightforward thanks to the precise CNC machining process, ensuring a perfect fit for your bike. Whether you're replacing worn-out components or upgrading for a performance boost, this sprocket provides reliable performance and a sleek appearance. Built for durability and designed with the rider in mind, the RFX FXRS 57-45 99OR aluminum rear sprocket is a premium choice for motivated motorcycle enthusiasts seeking quality and style in their drivetrain components.

Features:

• Laser etched RFX logo for authenticity and style

• CNC machined from 7075 aerospace aluminum for strength and light weight

• Strengthening gussets to improve structural integrity under load

• Chamfered weight-reducing cutouts for better throttle response

• Mud clearing grooves for enhanced longevity in muddy conditions

• Two-tone anodized and polished finish for a factory look