Brake device and exercise bicycle

The utility model belongs to the technical field of fitness equipment, and discloses a brake device and an exercise bicycle. The brake device comprises a frame, the frame is provided with a driving mechanism, the driving mechanism comprises a handle, a rotating seat and a rope, and the rotating seat is connected to one end of the handle and one end of the rope; the brake mechanism comprises a flywheel and a brake assembly, the flywheel and the brake assembly are both rotationally arranged on the frame, and the brake assembly is connected to the other end of the rope; the handle is configured to drive the rotating base to rotate relative to the frame and drive the brake assembly to rotate relative to the frame through movement of the rope, so that the brake assembly can abut against the flywheel. According to the brake device, through mutual cooperation of the driving mechanism and the brake mechanism, in the brake or pressure relief process, the handle can be in linkage with the rotating base and the rope, th