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UW Ring Chain - GOLD
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RK 420MXU UW Ring Chain
Model No 12-429-136GD
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.
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