Electrically power assisted bicycle with ambient light controlled headlight

摘要

An electrically power assisted bicycle includes an electric motor that generates an assist force assisting human power of a rider, a detachable battery that supplies electric power to the electric motor, a headlight, and an operation panel including a display that displays information, a power button that turns on or off the electrically power assisted bicycle, an illuminance sensor that outputs a signal in accordance with received light, and a controller configured or programmed to control the headlight to be on or off. The power button and the illuminance sensor are located close to each other on or in the operation panel. After a predetermined time period passes after the controller is activated by the power button being pressed by the rider, the controller starts controlling the headlight to be on or off in accordance with the signal output by the illuminance sensor.