[Problem] To provide a bicycle whose wheelbase can be changed.[Solving Means] A top tube 1011 included in a bicycle 1 consists of a front top tube 1011F that is located on the front side and a rear top tube 1011B that is located in the rear side. The rear top tube 1011B is inserted into the front top tube 1011F and is fixed to the front top tube 1011F by a length adjustment mechanism. A user is able to adjust the length in the front-rear direction of the top tube 1011 by releasing the rear top tube 1011B fixed by the length adjustment mechanism, sliding the rear top tube 1011B with respect to the front top tube 1011F in the front-rear direction, and fixing the rear top tube 1011B to the front top tube 1011F at a desired position using the length adjustment mechanism.


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    Title :

    SHAPE-ALTERABLE BICYCLE


    Additional title:

    FORMÄNDERBARES FAHRRAD
    BICYCLETTE À FORME MODIFIABLE


    Contributors:
    SEI CHUGEN (author)

    Publication date :

    2024-03-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62K Fahrräder , CYCLES / B62H CYCLE STANDS , Fahrrad- oder Motorradständer



    SHAPE-ALTERABLE BICYCLE

    SEI CHUGEN | European Patent Office | 2022

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