| 摘要 |
According to the second aspect of the present invention, a power transmission mechanism (5000) for an electric bicycle comprises a driving motor (990) mounted on the bicycle, and an outer shaft (580) with a hollow interior through which a crankshaft (590) of the bicycle penetrates. The outer shaft (580) is coupled to a driving sprocket (50) of the bicycle via an outer shaft coupler (18). The driving transmission mechanism (5000) of the electric bicycle has a one-way clutch (300) for connecting the driving motor, and a one-way clutch (200) for connecting a pedal. |
