
RFX Pro Sprocket 13 Teeth – Manufacturer Ref: FXFS 50-13 99BK
Designed for off-road enthusiasts and demanding roadster riders, this RFX Pro front sprocket made from case-hardened steel adheres to motorcycle racing manufacturing standards: precision CNC machining, 60 Rockwell hardness case hardening, and a black zinc finish. Its design aims for durability against wear and a polished look on the drive wheel.
The RFX Pro sprocket is aimed at quad, motocross, and roadster riders looking for a reliable and well-finished wear part. Its heat treatment and machining precision contribute to a consistent tooth profile, which is useful for preserving the lifespan of the chain and final drive.
Notable compatibilities: STARK FUTURE VARG EX (2026), HUSQVARNA FE 501 (2025 - 501 cc), KTM 500 EXC-F SIX DAYS (2025 - 500 cc).