A tire component comprising a vulcanized rubber, and from about 3 to about 85 parts by weight, per 100 parts by weight rubber, of a filler dispersed within said vulcanized rubber, where the vulcanized rubber includes the vulcanized residue of a thermoplastic-elastomeric block copolymer defined by the formula .alpha.-.pi.-.theta.-.omega. where .alpha. is a hydrogen atom or a functional group, .pi. includes an elastomeric block, .theta. includes a thermoplastic block, and .omega. includes a hydrogen atom or a functional group.