The RK 520 MXZ5 is a high-performance motocross drive chain developed with MXGP factory teams for maximum durability under extreme loads. HCR-treated alloy pins boost wear resistance while helping absorb shock from hard landings.
The RK 520 MXZ5 drive chain is built for riders who demand race-level performance and reliability in harsh motocross conditions. Developed together with MXGP factory teams, it’s designed to handle aggressive acceleration, heavy roost, and repeated shock loads from big jumps while maintaining consistent power transfer.
Its standout feature is RK’s special HCR treatment (High Tech Chromium Carbide Layered Pins). This technology drastically improves pin wear resistance and helps the chain cope with impact forces and high-stress riding—ideal when you want longer service life and dependable drivetrain performance on track or trail.
