RFX Pro Series HCS Steel - 520 SprocketRef : RFX00320A / 1123222002

RFX Pro Series HCS Steel Sprocket - 520 (Manufacturer part number: FXRS 20-49 99ST): a sprocket specifically designed for motocross, where durability and reliability are essential. Made from certified high carbon steel, it offers superior wear resistance compared to mild steel while maintaining an optimized profile to limit excess weight compared to aluminum. Ideal for riders looking for a robust component to tackle mud, jumps, and long off-road sessions.

• Material: HCS steel (high carbon content)
• Number of teeth: 49 teeth
• Chain pitch: 520
• Color: silver
• Cut: CNC laser for precise machining
• Lightweight CAD profile and rigid design reducing torsion
• Mud evacuation grooves to decrease abrasion
• Tight tolerances for consistent fit and performance

Practical tips: replace the sprocket while checking the condition of the chain and bolts. Adhere to the manufacturer's torque specifications and apply an appropriate thread locker. Suitable for motocross machines such as KAWASAKI KX 450 X (2026), KX 250 X (2026), and KX 250 (2026).