| 摘要 |
A recumbent bicycle frame having a frame tube with a first shoulder area formed on a side thereof. The shoulder area extends for at least a portion of the length of the frame tube. The frame tube has a generally flat exterior surface above the first shoulder area. The frame tube also has a second shoulder area formed on an opposite side of the frame tube from the first shoulder area. The frame tube has a bottom shoulder area formed on the side of the frame. A generally flat exterior surface extends below this bottom shoulder area. An interior passageway extends longitudinally through the frame tube and includes first and second notched areas formed in the wall of the interior passageway. These notched areas receive a reinforcement tubing member therein. First and second slots are formed at the top and at the bottom of the wall of the interior passageway of the frame tube. A clamp member is removably connected to the first and second shoulder areas and has a portion extending across the flat exterior surface. Various components of the recumbent bicycle can be connected to the clamp member.
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