RK GB428MXZ4-140 Gold Pro MX Chain 2 Stroke Z-50R 92-99

Z-50R 92-99

superior comfort and lighter weight

The best value in motocross and mountain bike goggles

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RK GB428MXZ4-140 Gold Pro MX Chain 2 Stroke Z-50R 92-99Gold premium MX non sealed 428MXZ4 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