A handgrip (1) for handlebars of a bicycle or similar vehicles comprises a- tubular group (2, 3), which extends according to an axial direction (X) corresponding to the axis of the handlebars, the group (2, 3) being fitted onto an end of handlebars, the handgrip comprising padding means (12, 21) associated with the tubular group (2, 3), means (15, 23) for attaching the handgrip (1) to the handlebars, the tubular group comprising an inner body (2) suitable for being fitted onto an end of the handlebars and a second outer body (3) slidably fitted according to the direction (X) onto the inner body (2) so as to adjust the axial length of the handgrip (1).