The invention relates to a tyre comprising a tread (40) extending between an outer axial edge (45) and an inner axial edge (46), over a width L, wherein the tread comprises at least 4 circumferential ribs (411-414) separated by slots (421-423), in which the circumferential rib (411) adjacent to the outer axial edge of the tread extends from the outer axial edge over a width of at least 0.6 L and comprises a first portion (411a) with a width of at least 0.1 L, made from a first rubber composition and a second axially adjacent portion (411b) made from a second rubber composition, the first rubber composition having elasticity modulus values at 300% deformation, the Shore A hardness and the G* complex modulus at 60 DEG C respectively comprised between 1.1 and 2.1 times, 0.95 times and 1.20 times, and 1.00 times and 2.10 times, the corresponding values of the second rubber composition.


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    Title :

    Tyre comprising an improved tread


    Contributors:

    Publication date :

    2016-02-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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