RFX Pro Series HCS Steel - 520 SprocketRef : RFX01167A / 1123235008

Manufacturer Ref: FXRS50-4799ST
The RFX Pro Series HCS 520 sprocket made from high-carbon steel is designed for riders who seek durability and performance on a daily basis. Its sleek black finish fits well on both urban roadsters and quads or motocross machines. With 47 teeth and a 520 chain pitch, it ensures a precise and wear-resistant chain/sprocket connection.

Engineered to withstand mud, jumps, and long distances, this sprocket combines rigidity and lightweight design thanks to an optimized CAD profile. The CNC laser cutting guarantees tight tolerances for a smoother chain engagement, reducing jolts and premature wear.

Main features:

• Color: Black
• Material: High-carbon steel (HCS)
• Number of teeth: 47
• Chain pitch: 520
• CNC laser cut and CAD profile
• Mud drainage grooves and rigid design

Universes: Quad, Motocross, Roadster — frequently referenced on 2026 models such as TRIUMPH TF 450-X, DUCATI DESMO 450 MX, or STARK FUTURE VARG EX.

Installation instructions:

• Place the motorcycle on a stand and lift the rear wheel.
• Remove the chain and wheel, disassemble the worn sprocket.
• Clean the hub, position the new sprocket, and check the alignment of the holes.
• Apply thread locker (such as blue Loctite) to the bolts, tighten evenly according to the manufacturer's torque specifications.
• Reassemble the wheel and adjust the chain tension/alignment according to the manual.