| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bicycle rear hub that measures a drive force and measures torsion of a drive part in a wide range with one sensor. <P>SOLUTION: The bicycle rear hub 10 includes a hub shaft 20, a drive part 22, a hub shell 24, and a drive force measuring part 26. The drive part 22 is rotatably supported by a hub shaft 20 and allows a sprocket assembly to be mounted thereon. The hub shell 24 is rotatably supported by the hub shaft 20 and receives rotation of the drive part 22. The drive force measuring part 26 has a hydraulic sensor 58. The drive part 22 has a joint part 52 to be joined to the hub shell 24. The joint part 52 has a storage part 54 to be filled with liquid. The hydraulic sensor 58 detects pressure of the liquid. <P>COPYRIGHT: (C)2013,JPO&INPIT |
