| 摘要 |
The present invention relates to an electric bicycle. More specifically, an electric unit is designed to be compact to use both pedaling and driving force of an electric motor. The electric unit is installed in the frame of a bicycle, including a mountain bicycle or a road bicycle, by a frame fixing bracket. A power transmission unit is installed in a brake disc combined to the hub axis of the rear wheel. Therefore, power transmission and assembly properties are excellent. |
