| 摘要 |
A bicycle frame includes a transversal tube, a front tube, a seat tube, a bottom bracket assembly and a chain stay assembly. The transversal tube has a front portion, an angle portion, a connecting portion and an extension portion. The angle portion is curved and connects the rear end of the front portion and the connecting portion so that the front portion is not parallel to the connecting portion. The extension portion is extended rearward from the connecting portion. A receiving space is defined in the connecting portion and the extension portion, and the receiving space is longitudinal. A joint position is defined between the connecting portion and the extension portion. The front tube is disposed on the front end of the front portion. The seat tube is disposed on the joint position. The bottom bracket assembly and the chain stay assembly are both disposed on the transversal tube. |
