| 摘要 |
PROBLEM TO BE SOLVED: To provide a device capable of eliminating the temporal and operational inconvenience of a conventional attachment operation for attaching a derailleur to a bicycle frame, and an attachment method.SOLUTION: A device 32 for use in attachment of a derailleur 10 to a bicycle frame 26 includes at least one toothed crown 12 of a crank set 18, and engagement means 34a and 34b that are engaged with the derailleur 10. The engagement means 34 is configured to obtain desired relative positions of the at least one toothed crown 12 and the derailleur 10. |
