| 摘要 |
A bicycle frame part having a disproportionally enlarged end section and a method for making the same. The tube may be used as a bicycle frame part, and it may include a first section having a thickness, a second section configured to be forged from a first shape having a thickness that is different from the thickness of the first section to a second shape having a thickness that is less than the thickness of the first shape. The second shape of the second section may be proportionally enlarged relative to the first shape of the second section.
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