Bosch COBI.Bike Control Unit Adapter MountThe COBI.Bike Control Unit Adapter from Bosch is suitable for racing bike handlebars and normal bikes.This adaptor features a flexible plastic clip that allows you to mount the COBI-Bike thumb controller (sold separately) to your handlebars. Genuine Bosch spare part. Features: Material: Plastic Use: E-bike For use with Smartphone: Yes Compatibility: Bosch COBI.Bike thumb controller Part Number: 1270016736Buy Bosch Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.