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The RK Excel GB520MXU-CL MXU 520 Gold Clip Master Link is designed for off-road motorcycles and bikes with narrow chain clearance. Its ultra-thin UW-Ring seals provide triple-barrier grease protection and anti-debris technology to help reduce friction between internal chain components and extend service life compared with a non-sealed chain. The compact seal design helps minimize cold-start drag while supporting reliable performance in demanding riding conditions.
Built for RK Excel MXU 520 chains, this clip-style master link is rated for applications up to 500cc off-road and up to 70 horsepower. The gold finish complements compatible RK chain assemblies while providing a practical replacement solution for chain maintenance or installation. Vendor: RK Excel.
Use the RK Excel GB520MXU-CL when dependable sealing, reduced debris intrusion, and compatibility with narrow-clearance motorcycle applications are priorities. Verify chain pitch, series, and application requirements before installation.
Features:
- Ultra-thin UW-Ring seals are suitable for motorcycles with narrow chain clearance
- Triple-barrier grease protection helps retain lubrication within the chain joint
- Anti-debris technology helps reduce abrasive debris friction between internal components
- Smaller seal contact points help reduce cold-start drag
- UW-Ring seal thickness is approximately 50% thinner than a conventional O-ring design
- Rated tensile strength of 8,000 pounds
- Suitable for up to 500cc off-road applications
- Supports applications up to 70 horsepower
- Clip-style master link included
- Designed for RK Excel MXU 520 chain applications
- Gold finish

