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Fast Lane


This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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RK GB520 MXU Chain


  • Made for the serious Motocross / off-road racer, who values every ounce of performance
  • GB520MXU chains feature chromoly steel construction with seamless rollers and bushings with oversized special alloy pins for added strength
  • All components are heat-treated using RK’s exclusive HIT (Heat Induction Transfer) process
  • 9,000 pound tensile strength
  • Includes clip style master link
  • U-Ring sealing technology
  • Includes clip style master link

Recommended Applications:

  • Suitable for professional level 125cc to 500cc open class off-road racing
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Fitment Notes & Exceptions
This is a universal fit part; it may or may not fit without modification.
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Gold / 110 Links Item # 1177050 Store SKU Manufacturer Product # GB520MXU-110/GB520MXU110 Availability In Stock: Ships within 24 hours
Product Style Gold / 116 Links Item # 1177051 Store SKU Manufacturer Product # GB520MXU-116/GB520MXU116 Availability In Stock: Ships within 24 hours
Product Style Gold / 120 Links Item # 934856 Store SKU 65931 Manufacturer Product # GB520MXU-120 Availability In Stock: Ships within 24 hours