RK GB420MXZ4-112 Gold Pro MX Chain X-Flow The first-class paraffinic base oils

The first-class paraffinic base oils and the coordinated

BETA RR/X-PRO

It features breathable mesh construction

Manufacturer Number: 153219X

RK GB420MXZ4-112 Gold Pro MX Chain X-Flow The first-class paraffinic base oilsGold 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