Engineered for riders who demand durability from every mile, the EK 520 QX-Ring H/Duty Rivet Link Gold (Single) (RAS) is the premium upgrade for EK’s 520-series chains. This single rivet link delivers rugged construction and precision engineering tailored for high-torque, off-road, and track-ready performance.

• QX-Ring sealing technology channels lubrication where it matters, dramatically reducing internal wear and maintaining smooth power transfer under demanding loads.
• Heavy-duty rivet construction features reinforced pin geometry and robust side-plates designed to withstand aggressive acceleration, hard braking, and rough terrain.
• Gold finish provides a striking, premium look while contributing to surface resilience against wear and corrosion in typical riding conditions.
• Single rivet link for quick upgrades — replace a worn section without disassembling a long chain, saving time on maintenance and field repairs.
• Designed for EK 520 QX-Ring chains to ensure optimal fit, reliability, and performance within the 520-series drivetrain ecosystem.

Who benefits most: riders pushing their drivetrain in harsh environments—whether you’re pushing performance on the track, conquering muddy trails, or hauling a heavy load on rugged terrain. This rivet link is ideal for anyone who values long-lasting wear life and precise power delivery from a single, replaceable link.

What makes it stand out: unlike generic rivet links, the EK 520 QX-Ring H/Duty Rivet Link Gold (Single) (RAS) integrates EK’s QX-Ring profile with a sturdy rivet design, delivering reduced friction, better lubrication retention, and a more predictable wear pattern over time. The result is steadier acceleration, quieter operation, and fewer tune-ups between rides.

Installation and care tips: use a compatible chain tool or rivet press to install the link, ensuring the rivet sits flush and secure. After installation, rotate the chain by hand to check for smooth motion, then apply lubrication to protect the coating and extend life. Periodically inspect for elongation and replace as a pair or in matched segments to maintain even wear across the chain.

Upgrade your EK 520 system today with the EK 520 QX-Ring H/Duty Rivet Link Gold (Single) (RAS) to experience precise power transfer, enhanced durability, and a premium aesthetic that stands out both in performance and style. Add to cart now to secure this essential upgrade for your heavy-duty drivetrain.