BICYCLE FIXING DEVICE

In a bicycle attachment device (100) for fastening a bicycle to a bicycle carrier, with a connecting arm (1) on which connection elements (2, 2') are arranged, which comprise a clamping component (3) for connecting the arm (1) to the bicycle carrier, wherein the clamping component (3) has a clamping screw (5) which can be manually operated by means of a rotary knob (6), the rotary knob (6) is arranged on the side (F) of the clamping component (3) facing the connecting arm (1).