| 摘要 |
Disclosed in the present invention is an apparatus to display a gearshift of a bicycle, including: a fixed sprocket connected to a central shaft of a sprocket; a rotation unit installed on the fixed sprocket to be movable toward the sprocket; a chain correction unit installed on the rotation unit to adjust the length of a chain and to move the location of the chain to one of a plurality of sprockets; an idle sprocket installed on the chain correction unit to enable the chain to run; a rotation lever elongated to the opposite side of the chain correction unit, based on the center of the rotation of the chain correction unit; a detection wire connected to the end of the rotation lever; and a gear gradation display unit connected to the detection wire, and installed on a handle of the bicycle. |
