RK Chains MXZ1 428 Mini MX Chain

The RK MXZ1 428 Mini MX Chain is purpose-built for the demands of mini motocross and supercross racing, delivering race-ready durability in a lightweight package. Constructed from high-strength Chromoly steel, the MXZ1 features seamless rollers and bushings for smooth, consistent performance under load. Oversized alloy pins increase strength and rigidity, ensuring reliable power transfer during aggressive riding. Designed specifically as a 428 pitch chain for smaller displacement race machines, this heavy-duty non-sealed chain is built to handle the rigors of competition. Whether you’re lining up at the gate or pushing hard on the track, the MXZ1 delivers the performance serious mini racers demand. This chain is intended strictly for off-road racing use and is not suitable for street applications.

• 428 pitch mini MX racing chain designed for motocross and supercross use
• Heavy-duty non-sealed construction for competition applications
• Chromoly steel construction for increased strength and durability
• Seamless rollers and bush

Specifications

Part Numbers Specification