RFX FXRS 57-45 99BU is a CNC machined aluminum rear sprocket designed for KTM, Husqvarna, and GasGas motorcycles. Made from 7075 aerospace aluminum, it offers strength and lightweight performance. The sprocket features strengthening gussets, chamfered weight-reducing cutouts, and mud clearing grooves for extended sprocket life. The 2-tone anodized and polished finish provides a factory look that complements your bike's aesthetics.
This sprocket is built to withstand demanding riding conditions with features that enhance durability and performance. Laser etched RFX logo ensures authenticity and style. Its design optimizes power transfer and reduces wear, making it suitable for aggressive riding styles. Intended for use on 1999-2023 KTM, Husqvarna, and GasGas models, this sprocket is a reliable upgrade for your motorcycle's drivetrain.
Included in the package is the aluminum rear sprocket with the specified features and finish, ready to install for improved performance and style.
Year Range
Make
Model
1999-2023
KTM
All models
1999-2023
Husqvarna
All models
1999-2023
GasGas
All models
Please confirm your year, make, and model before purchasing. Contact Moto-House MX if you need fitment assistance. Moto-House MX - Choice of Champions - Clermont / Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.
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
