| 摘要 |
<p>A gear shifter is provided which requires a smaller torque for a gearshift operation, and improves the gearshift operation by setting a quantity of pivotal movement of the shifter body to an optimum level. This gear shifter includes a shifter body (14) supported pivotably on a suitable portion of a bicycle frame, and a reel (16) for rewinding or paying out a gearshift cable (T) connected to a gear-shifting mechanism. The reel is provided with a first reel member (24) around which the gearshift cable is passed, and a second reel member (25) around which a driving cable (K) is passed. The reel is formed so that it is turned by the driving cable rewound or payed out in accordance with a pivotal movement of the shifter body with the radius of the cable taken up around the first reel member and that of the cable taken up around the second reel member set different.</p> |
