RFX Pro Series Trials Aluminium - 520 SprocketRef : RFX00524A / 1123250007

Manufacturer Ref: FXRS 91-41 99BK

The RFX Pro Series Trials crown made of 7075 aluminum is dedicated to demanding trial and cross riders seeking lightweight and durability in muddy terrains. CNC machined and anodized black, this 520 crown with 41 teeth combines a meticulous finish with practical solutions for transmission maintenance.

• Material: CNC machined 7075 aluminum for a good balance between rigidity and weight.
• Number of teeth: 41 teeth — 520 profile and pitch suitable for common off-road setups.
• Design: CAD-optimized profile to reduce weight without sacrificing rigidity; tight tolerances for precise coupling with the chain and sprocket.
• Mud evacuation: Drainage grooves to reduce accumulation and extend the lifespan of the chain and crown.
• Finish: Black anodization, RFX logo laser engraved; color coding available according to motorcycle brand (and in standard silver).
• Type: Standard, designed for trial/cross use.

Compatible with several typical 300 cc models in the trial sector (e.g., Beta Evo 300, Sherco 300, Gas Gas TXT 300), this crown is aimed at riders who want a reliable, lightweight, and aesthetically pleasing part for their off-road transmission.