RK GB420MXZ4-134 Gold Pro MX Chain Ignition Cover Protectors Centre: 577 Centre: JTF577 Grooved:

Centre: 577 Centre: JTF577 Grooved: Plain Material: Steel Position: Front Teeth: 15 Fitment Summary

The clamp can be attached to the stock lever holder on either the brake or clutch side

YZ450F 19-21

upper Velcro strap enable personalized closure fitting to accommodate individual preferences

RK GB420MXZ4-134 Gold Pro MX Chain Ignition Cover Protectors Centre: 577 Centre: JTF577 Grooved:Gold 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