RFX Pro Series Elite Aluminum Sprocket - 415
Manufacturer reference: FXRS 57-39 99BU
Designed for off-road use, this RFX Pro Series sprocket is CNC machined from 7075 aluminum to combine lightweight construction with mechanical strength. Its CAD-designed profile reduces inertial mass without compromising rigidity; the design enhances torsional resistance while maintaining tight tolerances for precise engagement with the chain.
- Number of teeth: 39 (pitch 415)
- Material: CNC machined 7075 aluminum
- Mud evacuation grooves to protect the chain and extend the lifespan of the sprocket
- Laser-engraved RFX logo and blue anodized finish
- Color code according to brand/model for aesthetic integration
Specifically suited for motocross practices and demanding riders, this sprocket is intended for 415 transmissions and will effectively replace original parts on many models. Notable compatibility: KTM 50 SX (2025), Husqvarna TC 50 (2025), and GAS GAS MC 50 (2025).
Carefully crafted aesthetics and quality machining: ideal for those seeking a high-performance and durable part, offering easy maintenance thanks to the mud evacuation channels and superior machining precision.
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