My Store
Open Today At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
Search Suggestions
Menu

Product Details

RK 420MRU U-Ring Chain

The 420MRU U-Ring Chain, tailored for Honda Monkey and Grom, features RK's exclusive Ultra Thin Seal U-Rings that halve seal thickness to lighten the chain and quadruple lifespan over non-sealed variants. Its efficiency in minimizing adjustment intervals means more time riding, less in maintenance.

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 J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style Black / 120 Links J&P Cycles Item #10575413 Catalog Number10575413 Store Sku MFR. Product #BL420MRU-120 AvailabilityIn Stock: Ships within 24 hours
Product Style Black / 130 Links J&P Cycles Item #10575414 Catalog Number10575414 Store Sku MFR. Product #BL420MRU-130 AvailabilityIn Stock: Ships within 24 hours
Fitment Notes & Exceptions
This is a universal fit part; it may or may not fit without modification.
Product Description
Part Numbers
Fitment
0 Customer Reviews for All Models
0 Questions & 0 Answers for All Models
Join now & get rewarded!

Get Free 2-Day Shipping and $15 + 5% RPM Cash on this order.

Already enrolled in RPM? Link your existing membership here.

Reviews & Questions

$39.99/yr.
Spend Less. Ride More.
  • 5% RPM Cash Back*
  • 10% Off Over 70 Brands
  • $15 in RPM Cash When You Join
  • Free 2-Day Shipping & Free Returns*
  • And more!
Become a member today! Learn More