| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric bicycle having a function for urging maintenance at an appropriate timing.SOLUTION: An electric bicycle comprises: a chain for transmitting a given human power to a wheel; a motor for assisting driving of the wheel driven by the human power; a torque sensor detecting a torque provided by the chain to the wheel; and a notification part for notifying a user of a condition that the torque detected by the torque sensor is equal to or less than threshold value, when the condition occurs.SELECTED DRAWING: Figure 1 |
