RACEWORK 136-section EPT Anti-rust Electric Bicycle Chain Power-assisted Bicycle Chain, Spec: 9-speed

1. Hydraulic riveting technology
2. Wear resistance
3. Accurate and flexible shifting performance
4. Special design of mid-drive engine
5. Improve the smoothness of shifting
6. Improve shifting performance
7. Alloy material, strong and wear-resistant
8. A variety of specifications, you can choose according to your needs
9. Material: steel
10. Compatible: suitable for BOSCH and other types of 8/9/1011/12 speed sports electric bicycle systems
11. Model: 8/9/10/11/12 speed
12. Link: 136 sections
13. Tensile load: 1000KN
14. Weight: about 330-380 grams