$113.25 - $123.54
$125.83 - $137.26
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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
Fitment Notes & Exceptions
This is a universal fit part; it may or may not fit without modification.
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Product Style Item # Manufacturer Product # Availability
Gold / 110 Links 1177050 GB520MXU-110 In Stock: Ships within 24 hours
Gold / 116 Links 1177051 GB520MXU-116 In Stock: Ships within 24 hours
Gold / 120 Links 934856 GB520MXU-120 In Stock: Ships within 24 hours