An electronic rear derailleur comprising a fixing part, a drive element, a transmission assembly, a linkage unit, and a chain adjusting portion. The fixing part has a first joint and a fixing end. The drive element drives a drive wheel. The transmission assembly has a transmission shaft and a transmission element. The linkage unit includes a base, a revolving wheel, and a gear set. The revolving wheel is engaged with the drive portion, and the gear set is disposed in the base. The base has a first and a second end, and the chain adjusting portion has a second joint pivotally connected to the second end, so that the chain adjusting portion rotates relative to the base. The gear set is connected with the first and the second joint so as to make the first and the second joint synchronizely rotate, so that the adjusting portion shifts the chain.


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    Title :

    Electronic rear derailleur


    Contributors:

    Publication date :

    2016-05-10


    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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