A bicycle transmission system, comprising: a self-indexing derailleur (1); a cable (4); and a controller (2) coupled with derailleur via the cable, the controller comprising: a first rotatable member having the cable at least partially looped around a perimeter thereof, wherein a resting position of the first rotatable member is controlled by indexing at the derailleur; and at least one user-engageable lever mechanically coupled to the first rotatable member such that actuation of the at least one lever imposes a rotation on the first rotatable member, which, in turn, imposes motion on the cable to shift the derailleur, and a corresponding derailleur controller for use in connection with the bicycle transmission system.


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    Title :

    GEAR TRANSMISSION AND DERAILLEUR SYSTEM


    Additional title:

    GETRIEBE- UND SCHALTWERKSYSTEM
    TRANSMISSION PAR ENGRENAGES ET SYSTÈME DÉRAILLEUR


    Contributors:

    Publication date :

    2017-11-08


    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 / B62K Fahrräder , CYCLES



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