| abstract |
The invention relates to a pneumatic vehicle tire having a radial carcass, a belt and a tread, which in the radial direction of two consisting of different rubber compounds layers, a tread cap and a tread base, composed, wherein the tread cap is the coming into contact with the roadway part of the tread and the tread base is disposed between tread cap and belt.n n n For low rolling resistance without negatively affecting other tire properties, the tread base is based on a rubber compound, the - more than 70 phr of natural and / or synthetic polyisoprene and Contains from 21 to 42 phr of silica and carbon black in total, the ratio of silica to carbon black being greater than 1: 1, - And at least one coupling agent for attaching the silica to the rubber. |