RK HEAVY DUTY (MXZ/4) CHAIN RK 420MXZ X 120

Made for the serious motocross racer with all components heat-treated for high-performance durability Features chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength Ideal for professional level from 80cc to 500cc open class racing Chains include clip connecting link HEAVY DUTY (MXZ/4) Natural 420 MXZ Heavy Duty Chain CHAIN RK 420MXZ X 120