EK Chain 520 R/3D Chrome NX-Ring open with rivet lock – 110 to 120 links

2026-03-18T13:55:03+01:00

Vendor: EK Chain
Type: Drive
Price: 184.45 - 199.32 (6 variants)

The EK 520 R/3D NX-Ring chain is an uncompromising high-performance chain for track use. It is used, among others, by the MOTO2 Stylobike Yamaha Racing Team and is one of the lightest chains in the EK ThreeD series.

Perfect for riders who demand maximum performance, minimum weight, and highest efficiency.

Minimal Weight – Maximum Performance

Weighing only 1.44 kg per 100 links, this chain is extremely light and significantly reduces the rotating mass.

This brings you:

faster acceleration

more direct throttle response

noticeably more performance

optimized handling

Designed for 600cc to 750cc Racing Bikes

The EK R/3D 520 chain is specifically designed for:

MOTO2 machines

600cc Supersport Bikes (R6, ZX-6R, CBR600RR)

ST600 classes

and provides exactly the performance needed in motorsport.

NX-Ring Technology for Optimal Efficiency

The integrated NX rings ensure a perfect balance of low friction and high durability.

Advantages:

reduced friction

better power transmission

longer lifespan (Relative lifespan: 3400)

consistent performance

3D construction for stability despite lightweight design. The special R/3D construction combines low weight with high stability. Additional features such as:

cold-forged links

beveled inner and outer links

drilled pins for weight reduction

ensure maximum efficiency in racing operations.

Chrome Finish for Racing Aesthetics

The chain is exclusively available in chrome and impresses with a high-quality, sporty look as well as additional resistance to external influences.

With Rivet Lock for Maximum Safety

The chain is delivered open with a rivet lock (MLJ) – the preferred solution in motorsport for maximum stability and safety under extreme loads.

Your Advantages at a Glance

EK 520 R/3D NX-Ring Chain

Used in MOTO2 Racing

Extremely light (1.44 kg / 100 links)

Tensile strength: 35 kN

NX-Ring sealing technology

Optimized for 600cc – 750cc Supersport Bikes

Cold-forged & lightweight construction

With rivet lock (MLJ)

Color: Chrome

Available in 110–120 links

Perfect for ambitious racers

This EK 520 R/3D Racing chain is ideal for:

Race tracks & track days

Supersport motorcycles up to 750cc

Riders focused on weight & performance

Professional racing setups

Tangible advantage on the track

The combination of low weight, innovative design, and NX-ring technology provides this chain with a more direct, efficient riding feel – exactly what matters in motorsports.

Conclusion

The EK R/3D NX-ring 520 chain in chrome is the perfect choice for anyone seeking maximum performance with minimal weight. MOTO2 tested, technically thought out, and uncompromisingly designed for racing.

Order now and elevate your bike to true racing level.