EK 520 RR/SM SX-Ring Race Clip Link (RAS)

Meet the EK 520 RR/SM SX-Ring Race Clip Link (RAS) — a purpose-built quick-link engineered for elite riders who demand instant chain maintenance without compromising performance. This is more than a simple connector; it’s a race-ready solution that keeps your 520 RR/SM SX-Ring chain running with precision, power, and reliability from start to finish.

Why racers and serious enthusiasts choose the EK 520 RR/SM SX-Ring Race Clip Link (RAS)

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  Speed and convenience — the RAS clip-link design is built for fast installation and easy disassembly, helping you save precious minutes during track-side tweaks, pit-stops, or trail repairs.
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  Secure, high-load retention — a robust locking mechanism keeps the link seated under aggressive acceleration, hard shifting, and perturbed terrain, so you won’t worry about slippage or misalignment.
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  SX-Ring optimized fit — engineered specifically for the SX-Ring profile, ensuring smooth power transfer, clean shifts, and minimal friction across the chain’s life cycle.
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  Durable, weather-ready construction — built from a high-strength alloy with corrosion resistance to stand up to wet rides, muddy courses, and long endurance sessions.
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  Race-focused pairing — designed to complement EK’s 520 RR/SM SX-Ring race chains, delivering reliable performance in demanding racing environments.

Who this is for

Ideal for track riders, road racers, motocross and enduro athletes, and professional pit crews who need quick chain servicing without sacrificing chain integrity. If you rely on your 520 RR/SM SX-Ring system to deliver consistent power transfer and dependable performance, this clip link is built to meet those exacting standards.

Use cases and scenarios

• Race-day maintenance: a fast, secure connection that minimizes downtime between sessions
• Field repairs: a dependable solution for on-the-fly chain repairs after a tough section or crash
• Pro-level service: simplifies routine checks and adjustments for teams pulling multiple laps in a season

Installation and care (practical tips)

For best results, follow EK’s recommended method for clip-link installation on the 520 RR/SM SX-Ring chain. Ensure the clip sits flush with the outer plate and that the locking tab is fully engaged. After installation, wipe away any grit and apply a light drivetrain lubricant to the link to maintain smooth operation. Regularly inspect the clip for signs of wear or misalignment, especially after hard racing or off-road riding, and replace if you notice any deformation or looseness.

Compatibility and care reminders

The EK 520 RR/SM SX-Ring Race Clip Link (RAS) is purpose-built for EK’s 520 RR/SM SX-Ring racing chains. It’s not a universal rivet link and should be used only with the specified chain family to ensure optimal performance and safety.

In short, this clip link brings race-grade reliability to every ride, offering quick maintenance, secure performance under load, and seamless integration with your SX-Ring setup. If you live in the fast lane, this is the link you’ll want in your toolkit.