RFX Pro Series Elite Aluminum Sprocket - 520: a part designed for committed rides. Machined from 7075 aluminum using CNC technology and anodized, this sprocket combines lightness and rigidity for precise transmission behavior on muddy or rocky terrains. The drainage grooves limit mud accumulation and contribute to the longevity of the chain and sprocket, while the CAD profile and tight tolerances optimize the fit with your pinion.
- Material: CNC machined 7075 aluminum.
- Pitch: 520 — compatible with 520 chain.
- Teeth: 52 teeth for a good compromise between gearing and engine cadence.
- Mud drainage grooves for active cleaning while riding.
- Laser-engraved RFX logo and silver anodized finish.
- CAD profile and rigid design to limit twisting under load.
Manufacturer reference: FXRS 40-52 99SV
Designed for the motocross world and suitable for prepared roadsters, this standard 520 sprocket is aimed at riders looking for a solid and easy-to-maintain part. Compatible model examples: SUZUKI RM-Z 450 (2026), RM-Z 250 (2026), and RMX 450 (2019). Always check the number of teeth and the pitch of your transmission before installation.
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