RFX Pro Series Elite Aluminium - 520 SprocketRef : RFX00319A / 1123221013

RFX Pro Series Elite Aluminum Sprocket - 520 (Ref. FXRS 20-53 99BK). Designed for motocross, this CNC-machined 7075 aluminum sprocket combines lightweight construction with precision machining. Its CAD profile and tight tolerances ensure a clean fit on the sprocket carrier, while the mud evacuation grooves limit accumulation and premature chain wear.

• Material: CNC machined 7075 aluminum, black anodized.
• Number of teeth: 53 teeth — pitch 520.
• Type: standard sprocket for competition and off-road use.
• Technical features: laser-engraved RFX logo, CAD profile for weight reduction, anti-mud grooves.
• Finish: black anodized color, color coding available according to motorcycle model.

Intended for riders seeking a robust and lightweight component for their drivetrain, this sprocket offers precise chain engagement and a rigid design for improved torsional resistance. Compatible with 520 setups and suitable for recent motocross models, it integrates easily during a gearing change to fine-tune the machine's performance.

Frequently mounted on motorcycles:

• KAWASAKI KX 450 X (2026)
• KAWASAKI KX 250 X (2026)
• KAWASAKI KX 250 (2026)