RK 520 MXU UW-Ring Chain

Item # : 188583

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List $134.99 - $179.99

$85.99 - $167.99

36% off

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  • Manufacturer: RK



Includes clip type connecting link

RK GB 520 MXU U-Ring Chain

MXU is one of the lightest sealed-ring motocross chains available on the market today. Made for the professional motocross racer, MXU series is the next generation of motocross racing chains featuring RK's ultra slim U-Rings or UW-Rings. MXU chains are designed to provide the most consistent power delivery with increased chain life. All components are heat-treated using RK's exclusive HIT (Heat Induction Transfer) Process.


  • The lightest sealed-ring MX chain on the market
  • Designed for the professional motocross racer
  • Designed to deliver consistent power delivery with an extended chain life
  • Ideal for race applications between 125-500cc

*NOTE: If your motorcycle came factory-equipped with an O-ring chain, it must be replaced with an O-ring chain.