RK GB420MXZ4-120 Gold Pro MX Chain Moto 4.5 acid washed vintage cap creates

acid washed vintage cap creates a standout piece featuring streaks of white

300 X-TRAINER 23-

· KTM 65SX 2010

plus multiple finish options available

Triumph TF 250 X (2025)

RK GB420MXZ4-120 Gold Pro MX Chain Moto 4.5 acid washed vintage cap createsGold 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