The EK/JT 520H 12/50 - ultra-light sprocket kit is designed for motocross riders looking for a robust and lightweight final drive. Developed by EK CHAIN to EK JAPAN standards, this kit combines a 520H chain with an ultra-light aluminum sprocket to minimize unsprung weight while maintaining a solid construction suitable for off-road use.
- Pitch: 520
- Sprocket/Rear Sprocket Reference: 12/50
- Number of Links: 114
- Sprocket Material: aluminum (ultra-light)
- Chain Color: steel/steel
- Weight: 1.66 kg for 100 links
- Relative Lifespan: 150 (per 100 links)
This kit is intended for motocross bikes and is particularly suitable for the Husqvarna CR 125 (1992–1994). The combination of an aluminum sprocket and a 520H chain provides a good balance between lightness and wear resistance in demanding conditions. Ideal for restoring or servicing the final drive after an off-road season.
Check the number of teeth and the chain length required for your model before installation. Manufacturer reference: Not provided.
