RFX Pro Series Armalite Double Compound (Steel/Aluminium) - 520 SprocketRef : RFX00384A / 1123233004

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.