| 摘要 |
A derailleur bracket for a derailleur of a bicycle is made of carbon fiber by a computer numerical control lathe and has an upper end, a lower end, a front side, two sidewalls, an upper through hole, a lower through hole and a mounting recess. The upper through hole is formed through the sidewalls of the derailleur bracket in the upper end. The lower hole is formed through the sidewalls of the derailleur bracket in the lower end. The mounting recess is formed in the front side of the derailleur bracket.
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