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DID 520 MX Exclusive Racing Chain

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DID 520 MX Exclusive Racing Chain


  • High-performance, lightweight, low-friction chains designed exclusively for racing
  • Pins for Exclusive Race chains are put through a special patented heat-treatment process that produces a surface 1.5 times harder than conventional carbon heat treating
  • Provides the highest wear resistance, tensile strength and impact resistance available
  • ER Chain are designed for sprint r. . . Show More >