| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bicycle hub in which assembly of a hub body and a gear driving member is simple, accurate and stable, and processing is easy.SOLUTION: A bicycle hub comprises a rotary sleeve 10, positioning members 30, and a gear driving member 50. The rotary sleeve 10 has a gear driving member installing hole 13 and positioning grooves 14. The positioning member 30 has a positioning part 31 installed in the positioning groove 14 of the rotary sleeve 10. The gear driving member 50 has first positioning parts 53 each of which is positioned for the positioning part 31 of the positioning member 30, and a plurality of teeth 54 is formed on the gear driving member 50.</p> |
