Abstract: A pair of upper and lower relatively rotatable collar members are mounted on the upstanding neck portion of a bicycle from which the handlebars supported and which is rotatable relative to the frame of the bicycle with the front fork assembly of the bicycle about an upstanding axis concentric with the neck portion. The collar members are slidable along and rotatable relative to the neck portion and interconnected against axial shifting. The frame of the bicycle includes a pull cable actuated rear wheel brake and the handlebar of the bicycle includes a shiftable pull cable actuator. A first pull cable section is operatively connected between the rear wheel brake and the lower collar member and a second pull cable section is operatively connected between the brake actuator and the upper collar member.