RK GB420MXZ4-112 Gold Pro MX Chain kits-jersey-nitro offering the perfect balance of

offering the perfect balance of boldness and subtlety

with Velcro on top ensures easy

Z 900 RS Café (2018-2021)

Lightweight high-performance chain designed for motocross

RK GB420MXZ4-112 Gold Pro MX Chain kits-jersey-nitro offering the perfect balance 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