To provide a tire being excellent in on-ice performance, steering stability on a dry road surface and wear-resistance and having small rolling resistance.
The tire is characterized in that a rubber composition in which 5-50 pts.mass of a low molecular weight-modified conjugated diene-based polymer having a weight-average molecular weight before modification of 2×103-15×104 and 20-200 pts.mass of a reinforcing filler are formulated relative to 100 pts.mass of a rubber matrix containing a modified natural rubber in which a polar group-containing hydrazide compound is added to at least one natural rubber raw material selected from the group consisting of a natural rubber, a natural rubber latex coagulum and a natural rubber cup lamp and the polar group-containing hydrazide compound is added to a natural rubber molecule in the natural rubber raw material and a high molecular weight-modified conjugated diene-based polymer having a weight-average molecular weight before modification of the value exceeding 15×104-200×104 is used for any one of tire members.
Kiyoshi Kuruma
Tatsuya Sawada
Kazuyuki Tomita
Yoichi Iino