An electric bicycle component is basically provided that is capable of realizing finer control of the transmission device according to the riding environment. The electric bicycle component includes a control unit that is mounted to a bicycle. The control unit includes a controller and an acceleration detection unit. The acceleration detection unit includes programmed to detect an acceleration of the bicycle. The controller programmed to select one of a first to a third shifting conditions based on the acceleration detected by the acceleration detection unit, and controls an actuator of the transmission device based on the selected shifting condition.