e*thirteen e*spec Plus Chain Guide 34-38t for Bosch CX Gen4 with ISO Compact Slider Black. e*thirteens e*spec Plus Chainguides are designed specifically for use with eBikes. An ISO-conforming upper slider keeps your guide on and your clothing out of your drivetrain while a carbon-injected backplate delivers ultimate strength in a lightweight package.
- TECH SPECS
| Max Tooth (teeth) | 38 |
| Color | Black |
| Chainguide Mount Type | ISCG |
| Weight | 39 |