A bicycle rear sprocket comprises a sprocket body and a plurality of sprocket teeth. The plurality of sprocket teeth includes at least one driving tooth configured to engage with a roller of a bicycle chain. The at least one driving tooth comprises a driving surface, a first tangential line, a first angle, a second tangential line, and a second angle. The driving surface includes a first driving surface and a second driving surface. The first driving surface has a first contact point. The second driving surface has a second contact point. The first angle is defined between the first tangential line and a reference line. The second angle is defined between the second tangential line and the reference line. The first angle is smaller than the second angle.


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    Title :

    Bicycle rear sprocket and bicycle rear sprocket assembly


    Contributors:

    Publication date :

    2020-03-31


    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 / F16H Getriebe , GEARING



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