RK GB428MXZ4-140 Gold Pro MX Chain sizing-gloves-speedstyle-adult · KTM 450SX / 525SX

· KTM 450SX / 525SX / 2005

· Kawasaki KX65 / KLX110 2012

Size: 43x15x2

SX 450 03-06

RK GB428MXZ4-140 Gold Pro MX Chain sizing-gloves-speedstyle-adult · KTM 450SX / 525SXGold 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