The EK/JT 520H 13/47 chain kit - ultra-light sprocket is designed for motocross riders looking for a simple and lightweight transmission set. Manufactured according to EK JAPAN standards, this kit combines a robust 520 chain with an ultra-light aluminum sprocket to minimize unsprung weight without adding unverified technical elements.
- Sprocket/gear ratio: 13/47, suitable for frequent adjustments on off-road machines.
- Pitch: 520, standard for many motocross bikes.
- Number of links: 104 (easily adjustable during installation).
- Sprocket material: Aluminum, designed to lighten the transmission.
- Chain color: Steel/Steel.
- Weight: 1.66 kg for 100 links (manufacturer's provided index).
- Relative lifespan: 150 (manufacturer's index for 100 links).
This kit is particularly suitable for small displacement motocross riders — compatible models include the Honda CRF 150 F (2015–2017). Manufacturer reference: Not disclosed. For reliable installation, it is recommended to have it installed by a professional or to follow the adjustment and tension guidelines provided in your motorcycle manual.
