Patent ID: 8613346

Claim:
A device for adjusting the free stroke for hydraulic brakes of bicycles or motorcycles of the type comprising a pump assembly for operating an actuator element and a communication line for a working fluid, which is set between said pump assembly and said actuator element, the pump assembly having a piston, the device comprising: a variable-volume chamber, designed to be set along said communication line between said pump assembly and said actuator element; an element mobile in response to entry of working fluid coming from an outlet of fluid from said pump assembly by effect of a stroke of the piston so as to pass from a first position in which said chamber is at least partially empty of fluid and a second position in which said chamber has been filled with an amount of fluid, in which during filling of the chamber the actuator element is not operated to define a free stroke of the piston; and a means for adjusting the volume of said chamber to be filled.