| 摘要 |
<p>The subject of invention is a bottom bracket that connects the swing arm (5) with the frame (10), which comprises a member (50) rotatably supported relative to the frame (10), the hollow pin (20) fixedly connected to the swing arm (5) and also contains hollow pivot (20) relative to the frame (10) rotatably mounted shaft, the center line storage member (50) relative to the frame (10) is intersecting or skew the axis of the storage shaft relative to the frame (10).</p> |
