The cassette (10) is adapted for mounting on a bicycle rear wheel hub by means of the body (50). The cassette (10) comprises a plurality of sprockets (11) fixedly connected to one another, adjacent along an axis (X) of the cassette, and comprises an axial centering opening (15) for centering on the body (50) without transmission of torque and a plurality of attachment areas (20) to the body (50), positioned a greater radial distance from the axis (X) of the cassette than the radius of the centering opening (15). The body (50) comprises a radially inner first portion (52), of tubular shape, with an axial cavity (57) arranged along an axis (X) of the body and intended for coupling with the hub through a free-wheel system (RL), and a radially outer surface (58) intended for mounting the cassette (10), and a radially outer second portion (62), intended for coupling with the cassette (10). The second portion (62) of the body (50) has shorter axial extension than the axial extension of the first portion (52), extends radially outwards from the first portion (52) and comprises a plurality of attachment areas (70) for the cassette (10). The attachment of the cassette (10) to the body (50) takes place through the attachment areas (20, 70), arranged in a radially outer position with respect to the centering opening (15). Therefore, the diameter of the centering opening (15) is not constrained by the need to transmit the pedaling torque and therefore can be less than what is normally provided for and therefore the number of teeth of the smallest sprocket can also be very low, for example 10, 9 or even less.


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    Title :

    CASSETTE AND BODY FOR MOUNTING IT ON A BICYCLE REAR WHEEL HUB


    Additional title:

    KASSETTE UND KÖRPER ZUR MONTAGE AN EINER FAHRRADHINTERRADNABE
    CASSETTE ET CORPS POUR LA MONTER SUR UN MOYEU DE ROUE ARRIÈRE DE BICYCLETTE


    Contributors:

    Publication date :

    2019-04-17


    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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