According to the bicycle frame capable of adjusting the total forward stretching amount, the bicycle frame comprises a head pipe and a vertical pipe, and the upper portion of the head pipe is connected with a handle; the present invention relates to a bicycle frame in which a stem for supporting a saddle is inserted and fixed at a distance from a head tube, the bicycle frame comprising: a variable insertion part which is provided in the stem and adjusts the insertion position of the stem so as to be able to adjust the total forward extension amount, i.e., the distance between a handlebar and the saddle; and a fixing part which is formed on one side of the variable insertion part and fixes the inserted seat post. The method is applied under the support of a leisure equipment technology development project of a Korean medium and small risk investment enterprise revitalizing group.

    根据本发明的可以调节总前伸量的自行车框架,其作为包括头管和立管的自行车框架,所述头管上部连接有把手;所述立管与所述头管间隔一定距离,插入并固定支撑车座的座杆,所述自行车框架包括:可变插入部,其设置于所述立管,调节座杆的插入位置,从而能够调节总前伸量,即把手到车座之间的距离;以及固定部,其形成于所述可变插入部一侧,固定插入的座杆。本发明是在韩国中小风险投资企业振兴公团的休闲装备技术开发项目支持下申请的。


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    Title :

    Bicycle frame capable of adjusting total forward extension


    Additional title:

    可调节总前伸量的自行车框架


    Contributors:

    Publication date :

    2024-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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