Loading... Please wait...


RK 428MXU UW Ring Chain - GOLD - 136 Link - 12-489-136GD

  • Image 1
  • Image 2
  • Image 3
Calculated at checkout

Product Description

High Quality Japanese
UW Ring Chain - GOLD

Free Shipping Australia Wide!


RK 428MXU UW Ring Chain - GOLD
Pitch 428
Links 136
Model No 12-489-136GD

MXU is The Lightest Sealed-Ring Motocross Chain available on the market today. The MXU chain is 5% lighter than KZU and 8% lighter than competitor’s popular sealed off-road chain. Made for the professional motocross racer, GB520MXU is the next generation of motocross racing chains featuring RK’s new UW sealing rings. MXU chains are designed to provide the most consistent power delivery and increased chain life. All components are heat treated using RK’s exclusive HIT (Heat Induction Transfer) process. Ideal for MX race application from 125-500cc.

  • Constructed from high carbon alloy steel for strength and durability
  • Seals in lubrication, delivering smooth power with no 'O' ring drag
  • Fitting link (either clip link or peen link) is supplied with chain 




Please use chain model finder below to find correct model chain for your bike.

Looking for the correct chain? 
Please follow the instructions below to find the exact model RK Chain to suit your Make / Model / Year bike.

1. Please click here to go to the LINK International website.

2. Using the Parts Finder, select the Make / Model / Year of your bike and click SEARCH.

3. Scroll down and select FINAL DRIVE

4. The site will display the OEM chain as well as any other OPTIONAL (non OEM) chains available for your bike.

5. The part number of the Chain will be displayed on the right. Use the part number to search our website or scroll through our RK Chains page here until you find the correct Chain with part number listed in the title.

Please note
  • Chain may need to be trimmed to length to suit your motorcycle
  • Please read instructions carefully before fitting, we recommend fitting by a qualified motorcycle mechanic
  • New chains will stretch after initial use, be sure to check and re-adjust chain slack after your first ride

Write your own product review

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product!

Add to Wish List

Click the button below to add the RK 428MXU UW Ring Chain - GOLD - 136 Link - 12-489-136GD to your wish list.

You Recently Viewed...