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本发明提供一种耐磨性能得到改善的低滚动阻力轮胎,其滚动阻力系数在10.5 kg/t以下,包括由具有分体结构的胎冠、胎肩和胎侧组成的胎面,所述胎肩由包含以下组分的橡胶组合物组成:0~30质量分数的顺式二烯烃弹性体;15~50质量分数的共聚二烯烃聚合物;8~30质量分数的炭黑;10~40质量分数的白炭黑和3.5~35质量分数的橡胶添加剂。本发明提供的低滚动阻力轮胎的胎肩由包含
The present invention provides a low-rolling resistance tire with improved wear resistance having a rolling resistance coefficient of less than 10.5 kg / t comprising a tread composed of a crown having a split structure, a shoulder, and a sidewall, the tire The shoulder is composed of a rubber composition comprising 0 to 30 parts by mass of a cis-diene elastomer, 15 to 50 parts by mass of a copolymerized diene polymer, 8 to 30 parts by mass of carbon black, 10 to 40 parts by mass Fraction of white carbon black and 3.5 to 35 parts by mass of rubber additive. The shoulder of a low rolling resistance tire provided by the present invention comprises