| 摘要 |
<p>A brake arm apparatus includes a brake arm (2, 3) having a fitting bore (21, 31); a fixing sleeve (14) having a first end and a second end, wherein the first end is disposed in the fitting bore (21, 31) for pivotally supporting the brake arm (2, 3); and a fixing member (50) attached to the second end of the fixing sleeve (14) for fixing the fixing sleeve (14) to a fixing base (1) attached to a bicycle frame. A return spring (6, 7) is disposed between the brake arm (2, 3) and the second end of the fixing sleeve (14), wherein a first end (61, 71) of the return spring (6, 7) is retained at the brake arm (2, 3). The second end of the fixing sleeve (14) includes a second spring end retainer (52) for retaining a second end (62, 72) of the return spring (6, 7). <IMAGE></p> |
