Abstract: Tire, including at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition, includes: (a) at least one diene elastomeric polymer; (b) at least one activator obtained by dry comilling a mixture including: at least one salt, or one oxide, or one hydroxide of a metal belonging to groups 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, or 16 of the Periodic Table of the Elements; and at least one layered material, said layered material having an individual layer thickness of 0.01 nm to 30 nm, preferably 0.05 nm to 15 nm, and more preferably 0.1 nm to 2 nm; (c) at least one vulcanization accelerator; and (d) sulfur or derivatives thereof.