e*thirteen e*spec Plus Chain Guide 34-38t Bosch CX Gen4 ISO Compact Slider BLK

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.