RFX Pro Series Armalite Sprocket - 520 (FXRS 40-51 ALRD)
Specially designed for demanding offroad and roadster uses, the RFX Armalite composite sprocket combines lightweight and durability. Its core is machined from 7075-T6 aluminum to limit unsprung mass, while the outer ring is made from high-density carbon HCS steel, ensuring increased longevity of the teeth. Anodized red finish, 51 teeth with a 520 pitch.
- Reference: FXRS 40-51 ALRD
- Material: CNC 7075 aluminum inner ring / HCS outer ring
- Number of teeth: 51 (520 pitch)
- Technology: Hex-Drive interface between inner and outer ring for better power transmission and reduced stress on rivets
- Design: Optimized CAD profile, mud evacuation grooves, and rigid design to reduce torsion
- Color: Anodized red
Standard mounting: the sprocket installs like a classic 520 sprocket. Follow the manufacturer's torque specifications and installation instructions (cleaning the hub, applying Loctite if necessary). Compatible with many 520 drive sets, including Suzuki RM-Z 250/450 and RMX 450 models.
