RK GB428MXZ4-124 Gold Pro MX Chain 2027 or keep it clean with

or keep it clean with no badges for a more understated look

New 1m length tube with better flow

High flow rate bite valve

300SX 2023

RK GB428MXZ4-124 Gold Pro MX Chain 2027 or keep it clean withGold 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