Pro Series Armalite Double Composite Crown Aluminium - 520 50 Teeth by RFX
The Pro Series Armalite double crown is designed for competition and off-road use. It features a 7075-T6 aluminium centre and a HCS steel outer ring to reduce weight while extending the lifespan of the teeth. The design is optimised to maintain transmission performance under racing conditions.
Design and Materials
- CNC machined 7075 aluminium inner ring for a lightweight centre, contributing to overall weight reduction.
- HCS (high carbon density steel) outer ring to enhance the longevity of the teeth.
- Hex-Drive interface between inner and outer rings to maximise transmission efficiency and reduce stress on the rivets.
Practicality and Features
- CAD-designed profile to minimise mass without sacrificing strength, facilitating performance in intensive use.
- New mud clearance groove style to reduce wear in off-road conditions.
- Installation requires removal of the wheel and chain, application of blue Loctite on the bolts, and tightening according to the user manual.
Benefits
- OEM Reference FXRS40-50ALBK
- Suitable for Trail/Adventure, Roadster, Enduro, and Motocross applications for a coherent choice based on your riding style.
Compatible Motorcycle Examples
- SUZUKI RM-Z 450 (2027)
- SUZUKI RM-Z 250 (2027)
- SUZUKI RMX 450 (2019)
Full list of compatible motorcycles available in the dedicated section below
