HYDRAULIC TANK FOR A BICYCLE

The present invention relates to a hydraulic tank (13) for a bicycle comprising a first wall (25) on which an atmospheric pressure acts, a second wall (26) opposite to the first wall (25), a side wall (27) and an elastically deformable membrane (28) operating between the first wall (25) and the second wall (26) and defining a compensation chamber (29) within the tank (13). The first wall (25) of the tank comprises at least one ventilation hole (30) and a ventilation channel (31) which is in fluid communication with the ventilation hole (30) and has a first inlet opening (32) arranged on a first portion (33) of the side wall (27) of the tank.