Kit for transforming a general bicycle into an electric bicycle, electric bicycle including the kit, and method of controlling the electric bicycle

The invention It is the technical problem to provide an electric bicycle conversion kit for which simplifies the structure and can facilitate the production of the electric bicycle, easy to change the structure of the general bicycle into an electric bicycle. To this end, the electric bicycle conversion kit according to the present invention includes: a stator which has a hollow mounting portion to be mounted to the crank hub of the bicycle is an electromagnet assembly having on one side, is provided rotatably in the stator opposite to correspond to the electromagnet assembly doedoe comprises a permanent magnet assembly having a magnet assembly and the surface and set to be spaced apart from the rotor having the gap, and a chain sprocket provided at the outer periphery of the rotor, and the pedal portion coupled to an outer end of the rotor.