| 摘要 |
A bicycle hub (1) includes a hub axle (10), a hub body (11), a bearing unit (13) and a lock member (58). The hub axle (10) is configured and arranged to be non-rotatably coupled to a bicycle frame (102) by a mounting shaft. The hub body (11) has a generally cylindrical shape mounted adjacent to an external perimeter of the hub axle (10). The bearing unit (13) is installed between the hub body (11) and the hub axle (10) at one axial end portion of the bicycle hub (1) so that the hub body (11) freely rotates with respect to the hub axle (10). The bearing unit (13) includes an outer ring (55), an inner ring (56) and a plurality of rolling components (57). The lock member (58) is configured and arranged to retain an axial position of the outer ring (55) of the bearing unit (13) with respect to the hub body (11) by locking the outer ring (55) in one of a plurality of rotational positions.
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