RFX Pro Series Trials Aluminium - 520 SprocketRef : RFX00527A / 1123250010

RFX Pro Series Trials Aluminum Sprocket - 520 (manufacturer part number: FXRS 91-41 99SV): a sprocket designed for demanding off-road conditions. CNC machined from 7075 aluminum, it features a lightweight CAD profile and tight tolerances for precise chain engagement. Its silver anodization provides a durable finish that is easy to maintain after muddy sessions.

• Material: CNC machined 7075 aluminum
• Number of teeth: 41 teeth (sprocket)
• Chain pitch: 520 (standard)
• Design: mud evacuation grooves to limit dirt accumulation
• Finish: laser-engraved RFX logo, silver anodization
• Product benefits: optimized profile to reduce mass, increased stiffness to limit torsional deformation, and tight tolerances for a more stable chain contact
• Compatibility: color coding available according to brand/model, standard silver variations

This sprocket is aimed at trial and motocross riders looking to lighten their drivetrain while maintaining precise chain geometry. Compatible with 520 setups and often mounted on machines like the BETA EVO 300, SHERCO ST, and GAS GAS TXT 300 Racing. Reference: FXRS 91-41 99SV.