RFX Pro Series Elite Aluminium - 428 SprocketRef : RFX00863A / 1123237022

Manufacturer Ref: FXRS 51-50 99RD

The RFX Pro Series Elite crown made from 7075 aluminum is designed for the motocross rider looking to lighten their transmission without compromising grip. CNC machined and CAD designed, it features an optimized profile and tight tolerances for a precise fit with the 428 chain. The red anodized finish and laser-engraved RFX logo give the piece a race look while resisting the harsh conditions of the track.

• Material: CNC machined 7075 aluminum
• Number of teeth: 50 (compatible with 50 teeth)
• Chain pitch: 428
• Color: Anodized red, color code suitable for models
• Design: Mud evacuation grooves to limit clogging
• Finish: Laser-engraved logo, reduced tolerances for precise mounting

Specifically suited for 85 cc machines in motocross configuration (e.g., KTM 85 SX, Husqvarna TC 85, GAS GAS MC 85), this standard crown combines lightweight and rigidity for reliable transmission on special stages. Ideal for gearing adjustments, it facilitates maintenance and riding in muddy conditions thanks to its evacuation system. Check the exact compatibility with your model before installation.