Heavy duty Rated up to 500cc Applications: Made for the serious Motocross racer, GB520MXZ is available in our distinctive gold or metal racing finish. MXZ chains feature Chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength. All components are heat-treated using RK's exclusive HIT (Heat Induction Transfer) process. With a maximum tensile strength rated at 9000 foot pounds and weighing in at only 2.89 lbs., GB520MXZ4 is the lightest and strongest Motocross chain available today! Ideal for professional level 125cc to 500cc Open Class racing.

Each RK chain is cut to 120 links and comes with a clip style master link.