
RFX Pro Series Elite Aluminium Sprocket - 520 (Manufacturer Part Number: FXRS 50-46 99OR)
Designed for quad, motocross, and roadster enthusiasts seeking a reliable and lightweight component, this RFX Pro Series sprocket is CNC machined from 7075 aluminum. Its CAD profile and tight tolerances ensure precise engagement with the 520 chain, while the rigid design aims to minimize deformation under load.
To be installed as a replacement on 520 transmissions, this sprocket balances lightweight construction and mechanical strength thanks to the 7075 aluminum and precision machining. Available in orange to customize the aesthetics of your machine. Manufacturer part number: FXRS 50-46 99OR. Suitable for motorcycles listed as TRIUMPH TF 450-X (2026), DUCATI DESMO 450 MX (2026), and STARK FUTURE VARG EX (2026) — check compatibility with the model before installation.