A crank arm fixing ring is basically provided with a cylindrical mounting portion and a contact portion. The cylindrical mounting portion includes an external thread configured to screw into a crankshaft. The contact portion extends radially outwardly from the cylindrical mounting portion. The contact portion is configured to contact a crank arm upon attachment of the crank arm with the crank arm fixing ring. The contact portion includes at least one cutout extending radially outwardly from the cylindrical mounting portion. The at least one cutout is configured to receive a transmission line extending through the cylindrical mounting portion.


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    Titel :

    BICYCLE CRANK ASSEMBLY


    Beteiligte:
    TETSUKA TOSHIO (Autor:in) / FURUYA TAKASHI (Autor:in) / MORI SHINTARO (Autor:in)

    Erscheinungsdatum :

    31.05.2018


    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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