
RFX Pro Series Armalite Sprocket (FXRS60-49ALBK) — a rear sprocket designed for offroad and roadster enthusiasts who want a lightweight and reliable component for their 520 transmission. Part of the Pro Series range, it combines meticulous CNC machining and a CAD-optimized profile to minimize weight without sacrificing service life.
The integrated mud evacuation grooves facilitate cleaning and are designed to limit dirt accumulation on the chain interface. The laser-engraved RFX logo attests to the high-quality finish. The tight machining tolerances and rigid design meet the demands of riders seeking precision and longevity both on the road and on trails.
Compatible with 520 transmissions, this sprocket is offered in brand-coded shades for a harmonious fit. Common fitment examples include: SHERCO 300 SEF‑R FACTORY (2023), BETA RR 480 4T (2020), GAS GAS EC 250 RACING SIX DAYS (2020).