Bicycle driven by alternating rowing movement which utilizes conventional frame, brakes, steering and fittings and having as distinctive feature axially articulated steering handles which act as a lever producing axial and alternating (rowing) movements. The lower end of the lever is connected to a device which turns the alternating movement into a rotating movement and which is driven by the driving flange. The movement of the steering handles-lever is connected to a sliding seat mounted on a slider affixed to the frame of the bicycle and to both footrests.