The invention provides a bicycle tube frame, and particularly to a bicycle tube frame with a traditional rhombus-similar shape. The bicycle tube frame comprises a tube structure (2). The tube structure is provided with the components of at least one front tube (3) which is used for connecting with a front fork (4); a first basic horizontal tubular member (5) which is functionally connected with the front tube (3) and forms an inlet (6) for mounting a bicycle seat; a second oblique tubular member (7) which is functionally connected with the front tube (3) and supports a crankshaft. The second oblique tubular member (7) and the first horizontal tubular member (5) are respectively arranged in a first central plane and a second central plane (15a,15b) which is different from the first central plane. The first central plane and the second central plane rotates relative to a third central plane (16) according to different directions. The third central plane extends between the front tube (3) and the inlet (6).


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    Title :

    Bicycle tube frame


    Contributors:

    Publication date :

    2016-01-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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