The present invention relates to a pulley (1) for a bicycle rear derailleur (100), the pulley (1) carrying on each of its side faces a cushioning ring (4) made of an elastically deformable material and adapted to come in contact with link plates of a roller chain (3) running over the pulley (1), wherein each cushioning ring (4) comprises, at least on its side facing the roller chain (3), a groove extending along its entire perimeter length, which groove, as seen in a cross-sectional view through the cushioning ring (4), is a recess (9) flanked by two protrusions (8), wherein the protrusions (8) are adapted and orientated to come in contact with outer and inner link plates, respectively, of a roller chain (3 ) running over the pulley (1).


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    Title :

    PULLEY FOR A REAR DERAILLEUR OF A BICYCLE


    Additional title:

    RIEMENSCHEIBE FÜR EINE KETTENSCHALTUNG EINES FAHRRADS
    POULIE POUR UN DÉRAILLEUR ARRIÈRE DE BICYCLETTE


    Contributors:

    Publication date :

    2023-01-18


    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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