TIRE PROVIDED WITH AN OUTER SIDEWALL COMPRISING A LIQUID PLASTICIZER HAVING A LOW GLASS TRANSITION TEMPERATURE

A tire is provided with an external sidewall, said external sidewall comprising a composition based on at least one elastomeric matrix comprising at least one diene elastomer selected from the group consisting of butadiene polymers having a glass transition temperature of less than or equal to −50° C., and a thermoplastic elastomer comprising at least one elastomer block and at least one thermoplastic block, the thermoplastic elastomer not comprising a polyisobutylene block; a liquid plasticizer exhibiting a glass transition temperature of less than −70° C.; a crosslinking system; and a reinforcing filler.