The RK 420 MXZ is a race-focused drive chain engineered for strong, consistent power transfer with minimal maintenance. Built from high-grade alloy steel and pre-stretched for stable performance under load.
The RK 420 MXZ Drive Chain is built for riders who demand dependable drive performance in motocross and off-road conditions. Designed for serious racers, it delivers consistent power transfer and durability thanks to premium materials and careful manufacturing processes.
This chain helps reduce the common issues that come with hard riding—like uneven stretch and frequent adjustments—by being pre-stressed and pre-stretched to promote equal load distribution. The result is a chain that stays more stable over time, so you can focus on riding instead of constant drivetrain maintenance.
