RK420 MXZ4 130L Gold Pro MX Chain
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 the wear resistance of the Pin while absorbing shock loads from extreme jumps.
The MXZ4 Range:
For serious Motocross riders
HCR Pin
Lightest and strongest Motocross chain
Use by top MXGP and MX2 teams