Product technical specifications
- Size: 1/2 X 11/128
- Quality steel
- Chainring teeth: 38T
- Chain line: 50 mm
- For Bosch 4 systems
- Maximum efficiency which saves battery
- Direct Mount
- Perfectly matched to KMC chains: e1 / e8 / e9 / e10 / e11 / e12
- Not compatible with 12-/13-speed flattop chains and Shimano 12-speed chains



















