| 摘要 |
<p>A motor-equipped hub (20) is provided with a hub axle (22), a hub shell (24), a motor drive unit (26) and a roller brake device (28). The hub shell (24) is arranged around the outside of the hub axle (22), has a hub flange (24a) on an outside circumference thereof, and has a housing space (24b) on the inside thereof. The motor drive unit (26) is housed inside the housing space (24b) and configured to rotate the hub shell (24) with respect to the hub axle (22). The roller brake device (28) is arranged within the hub shell (22) to the outside of the housing space (24b).
</p> |
