CHAIN NOSEAL 420X136

420 MXZ Drive Chain

• All RK chains are pre-stressed and pre-stretched to ensure equal load distribution and minimal maintenance
• They're made of the highest grade medium carbon alloy steel available, with all components shot-peened and heat-treated
• Made for the serious motocross racer
• Feature chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength
• Chain includes clip connecting link