E-BIKE 8 9 10 11 12 speed electric bicycle chain

Anti-rust chain for E-BIKE electric bicycle 8 9 10 11 12 speed：

Dimensions: 1/2''x11/128''

136 jerseys

Weight: about 330-380g

silver color

-Compatible with: BOSCH and other 8/9/10/11/12 speed sports e-bike systems
-Hydraulic riveting technology
-High wear resistance
-Increases shift smoothness
-Improves shift performance