The fastest tire in the rubino all round series delivers low rolling resistance for all road conditions making it the logical choice for a competitive edge at any timethe fastest all round tire3 compounds for best speed grip and supplenessgraphene is a revolutionary material in the form of a very thin nearly transparent sheet of pure carbon in its extreme form it is as thin as a single atom 1100 000 000th of a metre vittoria used directa plus graphene called g which is 2 to 8 atoms t