Rk MXZ1 Series 128 links 428 Universal ChainRef : RK00052A / 12210379

MXZ1 Series Transmission Chain (428) by RK — manufacturer reference GB428MXZ1-128CL. Designed for demanding riding in roadster, enduro, and motocross, this Heavy Duty non-O chain provides a robust solution for the primary transmission of off-road machines up to 150 cc.

• Construction: high-strength chromoly steel with seamless rollers and bushings for enhanced mechanical durability.
• Size: 428, 128 links — length ready to be shortened according to installation.
• Type: non-O (without O-ring seals), suitable for applications where ease of maintenance and shock resistance are priorities.
• Finish: available in black and gold to match the aesthetics of the bike and the sprocket.
• Recommended use: motocross, enduro, cross, and lightweight roadster — ideal for the transmission of small off-road displacements (≤ 150 cc).

The MXZ1 Series focuses on mechanical simplicity and robustness: riveted links, treated steels, and machined rollers ensure a compact chain capable of withstanding typical terrain stresses. For optimal longevity, regularly check the tension, clean, and lubricate according to usage conditions. Suitable for both track revision and preparing a dedicated off-road rolling chassis.