| 摘要 |
Adjustment device for the elevation of a bicycle handlebar, comprising a support member (1) with a post (3) for mounting in a steering tube of the bicycle, and a projecting arm (4) being at one end connected to the support member (1) and angularly adjustable in relation thereto, for adjusting the elevation of the handlebar. The opposite end of arm (4) has mounting means (20) for rigid attachment of the handlebar. The support member (1) has a boss (5) provided with a number of radial recesses (5A-C) spaced along the circumference of the boss over a range of angles corresponding to the angular adjustability of arm (4). The arm (4) comprises a spring loaded locking bolt (7), one end (7A) of which can enter selectively into one of the recesses (5A-C) for fixing the arm (4) in a desired angular position. A protruding operating lever (9) serves to retract locking bolt (7) from the recess (5A) concerned, against the effect of said spring load (8). |
