Meet the EK 520 QX-Ring Blue Clip Link (Single) — a purpose-built master link crafted for EK 520-series chains with QX-Ring sealing. This single link offers a clean, reliable connection that makes chain maintenance quicker and more predictable.

Designed for riders who demand efficiency on every ride, this blue-clip master link stands out for visibility, durability, and precise fit within the EK 520 QX-Ring ecosystem.

Key features

• Blue clip for fast identification — locate and orient the master link at a glance during installation or field repairs.
• Dedicated EK 520 QX-Ring compatibility — engineered to pair with QX-Ring style chains for secure engagement.
• Single-link convenience — easy to handle and replace, keeping your chain in service with minimal downtime.
• Optimal engagement — built to align with the 520 chain’s inner plates for a consistent connection that resists unintended disengagement.

Use cases

• Spare master link for long rides, trail days, or race events—ready when you need a quick repair.
• Replacement link when shortening or tailoring chain length for perfect gear indexing and chainline.

Maintenance tips

• Check chain wear before installing a new master link; replace worn links to maintain shifting performance.
• Ensure the clip seats fully and sits flat against the link plates to prevent accidental release.