RFX Pro Series HCS Steel - 520 SprocketRef : RFX01156A / 1123232003

RFX Pro Series HCS Sprocket - 520 (Manufacturer's Ref: FXRS 40-50 99ST)

Designed for motocross riders and roadsters seeking a robust and economical sprocket, the RFX Pro Series made from high carbon steel combines longevity and precision. Its certified material provides better wear resistance than mild steel, allowing for a thinner profile without excessively increasing weight compared to aluminum. Ideal for trail, motocross, or off-road use, it withstands the demands of the practice while maintaining a controlled cost.

• Material: HCS steel (high carbon steel) — silver finish
• Chain Compatibility: pitch 520
• Teeth: 50 teeth — standard type
• Manufacturing: CNC laser cutting and CAD design for tight tolerances
• Terrain Design: mud evacuation grooves and rigid profile to limit torsion

The sprocket mounts on a standard hub and is compatible with 520 transmissions. For safe installation, follow the manufacturer's torque specifications when tightening. Suitable for SUZUKI RM-Z 450 (2026), RM-Z 250 (2026), and RMX 450 (2019), it will fit many motocross and roadster machines looking for durability and precision without extravagance.