| 摘要 |
Disclosed is a chain guiding apparatus for bicycles, comprising: a fixating bracket of which one end is joined to a central shaft on which a plurality of sprockets are installed; a rotary unit which is connected to the fixating bracket and which rotates to move to or separated from the sprockets using an external force; a chain length correction unit which is rotationally connected to the end of the rotary unit and of which the rotation position is varied to correct the length of a chain during the shifting of gears while supporting the lower driving part of the chain; and a chain guide part which is connected to the rotary unit and which is linked with the rotation of the rotary unit to guide the upper driving part of the chain by moving to shift gears when the rotary unit rotates. |
