These lightweight chains are developed from advanced alloy materials and manufacturing technology
Feature chromoly steel construction with seamless rollers and bushings, and all components are heat treated using RK s exclusive HIT (Heat Induction Transfer) process
Moderately priced, both 420 and 428 MXZ chains are the strongest in their class, giving you the best value-performance rating of any MX chain in the world today
With a maximum tensile strength of 9000 lb. and weight of 2.89 lb., the newly designed GB 520 MXZ4 is the lightest and strongest MX chain on the market