RK GB420MXZ4-132 Gold Pro MX Chain TYRE stability and feedback across varied

stability and feedback across varied terrain

TC 125 15-22

No-Slip Grip: Unobtainium® earsocks and nosepads help provide retention with a no-slip grip and all-day comfort

SE-F 300 16-23

Ryan Dungey

RK GB420MXZ4-132 Gold Pro MX Chain TYRE stability and feedback across variedGold 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