The RK 520 MXU Sealed Racing UW-Ring Chain is engineered for high-performance motorcycle racing applications requiring efficient power transfer and dependable durability. This 520-size chain features RK’s sealed UW-ring design, helping retain lubrication while limiting contamination and wear during demanding use.
Designed for race applications from 125cc to 500cc, the RK 520 MXU provides consistent power delivery with an extended service life compared with conventional non-sealed racing chains. Its lightweight construction weighs approximately 3 lb. per 100 links while maintaining high tensile strength for competitive riding conditions.
This 116-link chain is supplied with a clip-style connecting link for installation. The RK 520 MXU is suitable for compatible motorcycles using a 520 chain system, including racing and performance applications within the recommended engine range. Confirm the motorcycle manufacturer’s chain size, required link count, sprocket compatibility, and connecting-link requirements before installation. Manufacturer part number and vendor part number: GB520MXU-116.
Features:
- Size: 520 sealed racing chain
- Model: 520 MXU
- Brand: RK
- Manufacturer: RK
- Manufacturer part number: GB520MXU-116
- Vendor part number: GB520MXU-116
- Link count: 116 links
- Chain type: Sealed UW-ring racing chain
- Application: Race motorcycles from 125cc to 500cc
- Performance: Designed for consistent power delivery and extended chain life
- Construction: Lightweight design with high tensile strength
- Included hardware: Clip-style connecting link