RFX Pro Series HCS Steel - 520 SprocketRef : RFX01163A / 1123235002

Manufacturer Ref: FXRS 50-49 99ST — RFX Pro Series HCS Steel Sprocket - 520. Designed for demanding riders and racers, this high-carbon steel sprocket is aimed at the Quad, Cross, and Roadster segments. It fits all 520 pitch transmissions and offers a robust solution for the drive chain.

The RFX Pro Series HCS focuses on materials and precise machining: certified high-carbon steel, CNC laser cutting, and CAD-designed profile. The design incorporates mud evacuation grooves and increased rigidity to better withstand torsion. Tight tolerances ensure a precise fit on the hub, limiting unwanted play and premature wear of the transmission.

• Material: HCS steel (high carbon steel)
• Number of teeth: 49
• Chain pitch: 520
• Finish: silver
• CNC laser cutting and CAD profile to optimize weight and precision
• Mud evacuation grooves and rigid design for torsion resistance

Installation instructions: remove the wheel and chain, position the sprocket on the hub, apply a clean fastening (Loctite recommended) and tighten according to manufacturer torque specifications. Ideal for replacing a worn sprocket on off-road machines or roadsters equipped with 520.