A bicycle hydraulic operation device includes a bracket configured to be attached to a bicycle part. A hydraulic cylinder is provided on the bracket, and a piston is located within the hydraulic cylinder. An attachment bore provided on the bracket, and the attachment bore is connected with the hydraulic cylinder. The attachment bore includes a step. At least part of the attachment bore is arranged in an area that radially surrounds the hydraulic cylinder.
Bicycle hydraulic operating device
2019-01-29
Patent
Electronic Resource
English
Bicycle hydraulic operating device and bicycle hydraulic device assembly
European Patent Office | 2015
|Bicycle hydraulic operating device and bicycle hydraulic device assembly
European Patent Office | 2015
|