EK 520 Gold O-Ring Rivet Link (Single)

Introducing the EK 520 Gold O-Ring Rivet Link (Single) — a purpose-built joining link that blends precision, protection, and style for your 520-chain setup. This isn’t a generic replacement; it’s a thoughtfully engineered connection that keeps derailleur performance consistent mile after mile.

What makes it stand out

• O-ring sealed for smoother, quieter operation — The built-in O-ring traps lubricant and shields the chain from grit, reducing friction and wear in wet or dusty conditions.
• Gold finish for corrosion resistance and visibility — A durable coating that resists corrosion and makes the link easy to spot during maintenance.
• Single rivet link engineered for reliable joining — Designed to securely connect the ends of an EK 520 chain with a precise rivet pin you press into place using a standard chain rivet tool.
• Tailored for EK 520 chains — A perfect fit for 520-size chains, ensuring smooth engagement with sprockets and a consistent, confident ride.

Why riders choose this link

Riders who face variable weather, muddy trails, or daily commutes will appreciate the protective O-ring and the long-wearing gold finish. The EK 520 Gold O-Ring Rivet Link reduces chain stretch and minimizes lubrication frequency, so you spend less time servicing your drivetrain and more time enjoying the ride.

Ideal use cases

• Replacing a worn or damaged rivet link on an EK 520 chain without replacing the entire chain
• Upgrading from a non‑O‑ring link to improve lubrication retention in rain or grime
• Maintaining a premium, cohesive look with a gold-accented drivetrain

Installation and care tips

To install, align the link with the rest of the chain and press the rivet pin with a standard chain rivet tool until the link sits flush. After installation, flex the chain gently to verify smooth movement, then apply a light lubrication to the outside of the rollers. Periodically inspect the rivet for tightness and replace if signs of wear appear. If you’re riding aggressively or in harsh conditions, re-check the rivet after a few hundred miles.

Specifications at a glance

Compatibility: EK 520 chains

Type: O-ring rivet link, single

Finish: Gold plated