EK Chain 520 R/3D Chrome NX-Ring open with rivet lock – 110 to 120 links
EK Chain 520 R/3D Chrome NX-Ring open with rivet lock – 110 to 120 links
Delivery time on request
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.
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About Us
About Us
Our passion for quality and innovation drives us to offer you the best products and services for motorcycle enthusiasts. From exclusive high-performance parts to tailor-made solutions — your riding experience is at the center of everything we do.
Shipping & Returns
Shipping & Returns
We ship with DHL and FedEx — if requested, also via express. If an item is in stock, shipping via express can, in many cases, be delivered within 1 business day. Standard delivery time is typically about 2–5 business days within the country, and worldwide usually about 1 week. Please check the available shipping options and transit times in the cart, as we offer several shipping providers depending on the country.
Returns must be registered in advance by email and are possible according to our return policy (14 days to request a return + 14 days return shipping deadline after approval). Please note: Unregistered returns will not be accepted. You can find all details on the terms, exceptions, and refunds in our return policy.
Your payment information is processed securely. We do not store any credit card details and we have no access to your credit card information.
| Chain pitch | 520 |
|---|---|
| Number of chain links | 110 - 120 (depending on choice) |
| Weight (kg/100 links) | 1.44 |
| Relative lifespan (per 100 links) | 3400 |
| Seal Type | NX-Ring |
| Application area | Race track |
| Color | Gold |
| Chain lock | Nut bolt |
| Chain type EK | R/3D |
| Manufacturer | EK Chain |
1x Chain
More information in our FAQs
Write to our team via email – we’ll get back to you as quickly as possible.
How long does it take to process my order?
How long does it take to process my order?
If the item is in stock, we usually process your order very quickly; in many cases it can even be shipped the same day.
Our processing times are Monday to Friday, 07:30–16:30.
Do you ship internationally?
Do you ship internationally?
Yes, we ship worldwide. Shipping is carried out depending on the country and the selection, via DHL or FedEx.
What is your return policy?
What is your return policy?
Returns must be registered in advance by email. You can request a return within 14 days of receiving the item and, after approval, you have another 14 days to send it back.
Important: Unregistered returns are not accepted. All details can be found in our cancellation policy.
What does “delivery time on request” mean?
What does “delivery time on request” mean?
“Delivery time on request” means the item is generally not in stock right away and may need to be ordered separately. Please contact us before purchase – we’ll check availability and tell you the estimated delivery time.
Do you offer express shipping?
Do you offer express shipping?
Yes, we offer express shipping. If an item is in stock, in many cases shipping can be completed within 1 business day (depending on the country and shipping option). You can see the available shipping methods in the shopping cart.

