RFX Pro Series Trials Aluminium - 520 SprocketRef : RFX00520A / 1123250003

RFX Pro Series Trials Aluminum Sprocket - 520 (FXRS 91-39 99BK)

Designed for trial and motocross riders seeking lightweight and strength, this RFX Pro Series sprocket made from 7075 aluminum is CNC machined for precise and consistent results. With its 39 teeth and a 520 pitch, it fits on many machines while maintaining an optimized CAD profile.

• Material: CNC machined 7075 aluminum
• Number of teeth: 39
• Pitch: 520 (standard)
• Finish: Black anodization, laser-engraved RFX logo
• Design: Mud evacuation grooves for longer chain and sprocket life
• Construction: CAD profile for weight reduction, increased stiffness to limit twisting
• Precision: Tight tolerances for smooth chain engagement

Color-coded by brand and available in standard black, this sprocket is aimed at riders of Beta, Sherco, Gas Gas, and other 300cc machines equipped with 520. Manufacturer reference: FXRS 91-39 99BK. A technical part designed for muddy terrain training and trial outings, it offers a balance between lightweight and robustness without compromising on finish.