Presented herein is a bottom bracket gearshift (1) of an electric bicycle (64) with an auxiliary drive (22), in particular in the form of a central motor. The bottom bracket gearshift (1) has a shift gearbox (4). In order to make the shift gearbox as small and light as possible, an input stage (14) is arranged at the transmission input (10) of the shift gearbox (4). The input stage (14) may be arranged between a bottom bracket shaft (6) and/or the auxiliary drive (22) and is configured as a transmission into high-speed.


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    Title :

    Bottom bracket gearshift for an electric bicycle and electric bicycle with such a bottom bracket gearshift


    Contributors:

    Publication date :

    2022-07-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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