Sealed UW-Ring Design
The sealed-ring construction targets the needs of race-focused use where steady performance over time matters.
RK · Part
The RK 520 MXU Chain is a sealed-ring racing chain built for riders who want consistent power delivery and longer chain life in demanding race use. Designed as a UW-Ring sealed chain, it focuses on keeping performance steady while helping extend service life.
This 520 MXU chain is listed as ideal for race applications between 125-500cc. Choose the link count that matches the setup: 110 Links, 114 Links, 116 Links, or 120 Links.
The sealed-ring construction targets the needs of race-focused use where steady performance over time matters.
RK lists this chain as ideal for race applications between 125-500cc. Multiple link-count options are available, including 110 Links, 114 Links, 116 Links, and 120 Links, making it easier to select the length needed for a specific race setup.
Designed to deliver consistent power delivery with an extended chain life. Ideal for race applications between 125-500cc. Chains include clip connecting link.
This RK 520 MXU Chain is offered in several lengths, listed by link count: 110 Links, 114 Links, 116 Links, and 120 Links. Each option corresponds to a specific 520 MXU sealed racing UW-Ring chain configuration. Selecting the correct link count depends on the intended application and setup requirements for the chain length needed.
| The lightest sealed-ring racing chain on the market. |
| Designed to deliver consistent power delivery with an extended chain life. |
| Weighs only 3 lb. per 100 links but delivers huge tensile strength. |
| Ideal for race applications between 125-500cc. |
| Chains include clip connecting link. |
As listed for this part in RK's product information.
