The invention relates to a device (10) for actuating the front derailleur (300) of a bicycle for displacing a transmission chain between a first toothed wheel (201) and a second toothed wheel (202) having a smaller diameter than the diameter of the first toothed wheel (201), comprising an indexer (13) operatively active on the front derailleur (300) and comprising a first lower stop position (P1) and a second lower stop position (P2) at which the transmission chain is engaged on the second toothed wheel (202), wherein the second lower stop position (P2) is configured to center the front derailleur (300) on the second toothed wheel (202), said indexer (13) comprising a first upper stop position (P4) corresponding to an engagement of the transmission chain on the first toothed wheel (201), at least one control lever (14) operatively active on said indexer (13) to switch the latter between the first lower stop position (P1), the second lower stop position (P2) and the first upper stop position (P4). With a single actuation of the control lever (14) the indexer (13) is switched from the first upper stop position (P4) to the second lower stop position (P2).


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    Title :

    DEVICE FOR ACTUATING A FRONT DERAILLEUR OF A BICYCLE


    Additional title:

    VORRICHTUNG ZUR BETÄTIGUNG EINES VORDEREN SCHALTWERKES EINES FAHRRADES
    DISPOSITIF POUR ACTIONNER UN DÉRAILLEUR AVANT D'UNE BICYCLETTE


    Contributors:

    Publication date :

    2021-10-27


    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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    Free access