RK GB420MXZ4-134 Gold Pro MX Chain Renthal 0 toe is inserted between

0 toe is inserted between the sole and the upper

and the oversized bark logo treatment in front calls out’s iconic legacy

and we didn't stop there

Black rear brake pedal

RK GB420MXZ4-134 Gold Pro MX Chain Renthal 0 toe is inserted betweenGold 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