RK GB420MXZ4-130 Gold Pro MX Chain 2025 Using the original bindings of

Using the original bindings of the bike the assembly/ disassembly is intuitive to facilitate the normal maintenance and washing of the engine

Insert the spindle and loosely tighten the spindle nut

Dedicated external eyewear pocket

these guards may not be compatible with all model years

XEF 125 Competition

RK GB420MXZ4-130 Gold Pro MX Chain 2025 Using the original bindings ofGold premium MX non sealed 420MXZ4 drive chain. One of the lightest and strongest MX chains from RK. The lightest and strongest Motocross chain from RK. The MXZ4 is the next generation of motocross racing chains featuring Chromoly steel construction and seamless rollers and bushings. Made for the professional motocross racer. Features special alloy pins with RK special HCR Treatment (High Tech Chromium Carbide Layered Pins) which drastically improves