| 摘要 |
Disclosed is a continuously variable transmission for a bicycle, which continuously changes a shift ratio within a predetermined range to change speed by reducing the rapid change of a load applied to a pedal and temporarily adjusting the diameter of a variable gear disc when a bicycle is driven, thereby improving power transmission efficiency. Therefore, the present invention satisfies a user with driving performance and riding comfort. The continuously variable transmission for a bicycle comprises: a disc plate which has a shaft hole and guide long holes; a pair of variable gear discs which have guide protrusions guided along the guide long holes; and springs which are installed between the disc plate and the variable gear discs. |
