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RK 420 MXZ Heavy-Duty Chain

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RK 420MXZ Heavy-Duty Chain

These lightweight gold racing chains were developed using the same advanced alloy materials and manufacturing technology as 520MXZ4. 
Both 420 and 428MXZ racing chains are the lightest and strongest in their class, giving you the best value-performance rating of any motocross racing chain in the world today.
  • Made for the serious motocross racer with all components heat-treated for high perf. . . Show More >