EK/JT 520M3 Chain Kit 14/51 - ultra-light sprocket by EK CHAIN. Designed for the demanding terrains of motocross, this chain kit combines a robust 520 chain with an ultra-light aluminum sprocket to reduce unsprung weight without compromising reliability during intense rides and runs.
- Color: Gold/Gold — a neat finish that withstands the elements and facilitates visual inspection.
- Pitch: 520, suitable for racing/competition transmissions.
- Number of links: 118 (delivered ready to install or shorten according to mounting).
- Sprocket: Ultra-light aluminum to lighten the rear end and improve the bike's responsiveness.
- Relative lifespan (100 links): 450 — a relative longevity indicator.
- Weight (kg/100 links): 1.36 kg.
Ideal for motocross riders looking for a chain/sprocket set optimized for competition and training. Particularly suitable for popular 250 motocross models such as KTM 250 SX-F (2021/2022) and Husqvarna FC 250 (2021) depending on original configuration. Kit provided without communicated manufacturer reference.
