Description
The RK 420 MXZ4 Heavy Duty Chain is engineered for offroad performance, featuring chromoly steel construction with seamless rollers and bushings for exceptional durability. Chromized pins significantly boost wear resistance, providing over twice the lifespan compared to standard non-sealed chains while effectively absorbing shock loads from jumps and rough terrain. Each chain is heat treated using RK's exclusive Heat Induction Transfer (HIT) process for enhanced strength. This 134-link, gold-finish chain is not recommended for street use and is best suited for offroad motorcycles with engine displacements up to 150 cc. Master link is a clip type.
- Chain Size: 420
- Number of Links: 134
- Tensile Strength: 22.2 kN (4980 lb)
- Material: Chromoly Steel
- Finish: Gold
- Non-sealed, lightweight design








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