| 摘要 |
The handlebar stem and handlebar of a bicycle are secured together by a common joint having a joint seat defining a joint hole and an extension part having a half-cylindrical groove which is engageable by a cover having a corresponding half-cylindrical groove and a plurality of elliptical-shaped fastener holes. An open slot extends from the joint hole through the extension part for permitting the handlebar stem to be inserted through the joint hole and secured therein by a pair of fasteners. Similarly, the handlebar is disposed between the half-cylindrical grooves and secured in place by fasteners extending through the elliptical holes and the extension part.
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