Patent ID: 7905158

Claim:
An actuation device for a control cable for a bicycle gearshift, comprising: a housing, configured to be attached to a bicycle's handlebars or frame, a cable-winding bobbin, angularly mobile within the housing about a main axis (X) of the device by a support of the bobbin in the housing, wherein said support comprises a first support unit at an outer guide collar of the cable-winding bobbin, situated in an intermediate position of the cable-winding bobbin in the direction of the main axis (X) of the device; and wherein the first support unit comprises: a plate, fixed integrally to the housing and provided with a central hole in which the cable-winding bobbin is inserted and guided during rotation; and a centering bushing, which comprises two half-bushings, arranged in the hole of the plate between the plate and the outer guide collar of the cable-winding bobbin.