RFX FXRS 57-41 99BU is a CNC machined aluminum rear sprocket designed for KTM, Husqvarna, and Gas models. Crafted from 7075 aerospace aluminum, it offers high strength and lightweight operation for performance riding.
The sprocket features strengthening gussets and chamfered cutouts to reduce weight while maintaining durability. Mud clearing grooves help extend sprocket life by preventing mud buildup that can cause wear. The 2-tone anodized and polished finish provides a factory bike aesthetic.
Included in the kit is the aluminum rear sprocket with laser-etched RFX logo for authenticity. Built for demanding off-road and motocross applications, this sprocket ensures reliable power transfer and longevity under intense riding conditions.
Fitment Chart Year Range | Make | Model 1999-2023 | KTM | All models 1999-2023 | Husqvarna | All models 1999-2023 | Gas | 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
