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RK 420MRU U-Ring Chain

Designed specifically with Honda Monkey and Grom applications in mind, the 420MRU U-Ring Chain utilizes RK’s proprietary Ultra Thin Seal, U-Rings, where the thickness of the seal is less than half that of other O-ring seals. This reduces weight and allows for up to four times longer chain life than comparable non-sealed chains. Requiring less frequent chain adjustments keeps you on the road and out of the garage!

Features:

  • RK's exclusive Ultra Thin Seal U-Ring design
  • Seal thickness is less than 50% of the most common O-ring seal
  • Lightweight for small displacement applications
  • Includes clip type master link

Specifications:

  • Tensile Strength: 4,540 lbs
  • Max CC Rating: 150cc street / 150cc off-road
  • Max Horsepower: 25
  • Weight: 1.74 lbs per 100 links
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Black / 120 Links RevZilla Item #10575413 Store Sku MFR. Product #BL420MRU-120 AvailabilityIn Stock: Ships next business day
Product Style Black / 130 Links RevZilla Item #10575414 Store Sku MFR. Product #BL420MRU-130 AvailabilityIn Stock: Ships next business day
Fitment Notes & Exceptions
This is a universal fit part; it may or may not fit without modification.
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