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About RK 420 MXZ GB Heavy Duty Chain

RK 420 MXZ GB Heavy Duty Chain

  • Made for the serious motocross racer with all components heat-treated for high performance durability
  • Feature chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength
  • MXZ4 is the lightest and strongest MX chain on the market with an impressive tensile strength and a weight of only 2. 89 lb.
  • Ideal for professional level from 80cc to 500cc open class racing
  • Chains include clip connecting link
  • GB 420 MXZMade for the serious motocross racer.

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