A bicycle crank arm includes a first member and a second member. The first member has a crank axle interacting portion and a first recessed part around the crank axle interacting portion. The second member is attached to the first member. The first member has a first side facing the second member and a second side opposite to the first side. The first recessed part is recessed from the second side toward the first side such that the first recessed part includes an attachment area attached to the second member on the first side.


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    Titel :

    Bicycle crank arm and bicycle crank assembly


    Beteiligte:
    YAMANAKA MASAHIRO (Autor:in) / NISHIMOTO YUSUKE (Autor:in) / NONOSHITA TETSU (Autor:in) / WATANABE YUKI (Autor:in)

    Erscheinungsdatum :

    25.10.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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