RK GB420MXZ4-132 Gold Pro MX Chain Chains Holds the clutch assembly to

Holds the clutch assembly to help prevent basket damage during servicing

KTM - 450EXC-F - 2010

Ensures correct riding position

Longer body design helps to reduce noise output

KTM 530 EXC-F Champion Edition 2010

RK GB420MXZ4-132 Gold Pro MX Chain Chains Holds the clutch assembly toGold 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