Abstract: The rubber for high-performance tire tread of the invention basically includes: (a) about 10%.about.50% weight percentage low molecular weight coupled copolymer of aromatic vinyl compound and conjugated diene or conjugated diene monopolymer, having a molecular weight of 5.times.10.sup.4 .about.35.times.10.sup.4, (b) about 10%.about.60% weight percentage middle molecular weight uncoupled copolymer of aromatic vinyl compound and conjugated diene, having a molecular weight of 10.times.10.sup.4 .about.80.times.10.sup.4, and (c) 5.about.60% weight percentage high molecular weight coupled copolymer of aromatic vinyl compound and conjugated diene, having a molecular weight of 45.times.10.sup.4 .about.200.times.10.sup.4.