The invention provides a frame and a seat-free type multifunctional body building bicycle. The frame (10) comprises a front extension portion (10A), a middle installation hole (14), a sleeve (15) and a rear extension portion (10B); the front extension portion (10A) is arranged to extend towards the front direction downward; the rear extension portion (10B) is arranged to extend towards the rear direction backward relative to the middle installation hole (14); the sleeve (15) is formed above the middle installation hole (14) and inclines forward; an included angle (a) between the sleeve (15) and the perpendicular direction is from 0 to 45 degrees. According to the frame and the seat-free type multifunctional body building bicycle, the front extension portion, the sleeve and the rear extension portion extend to the external side from the middle installation hole, the size is small, and the center of gravity is low.


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    Title :

    Frame and seat-free type multifunctional body building bicycle


    Contributors:
    TANG FAN (author) / ZHANG YULING (author) / LIU QINGHUA (author)

    Publication date :

    2015-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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