# RK Chain MRU420 U-Ring Clip Link

The RK MRU U-Ring Chain features a proprietary ultra-thin seal (U-Rings) where the thickness of the seal is less than 50% of the most common O-ring seal. This allowed RK to design a sealed chain with the same weight as a non-sealed chain. The MRU features a chain life over four times longer than comparable non-sealed 420 chains while also requiring less chain adjustments.

-   Sealed, lightweight performance chain is perfect for the Honda Monkey and Grom Clip type master link included
-   Street/Offroad Rated for 25hp
-   4,540 lbs Tensile Strength
-   150cc Max CC Rating

## Details

- **Price:** 35.83 CAD
- **Vendor:** RK Chain
- **Type:** Chains

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 35.83 CAD | In stock |

## Images

- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/rk-chain-mru420-u-ring-clip-link)
> Updated: 2026-08-15