To provide a tire of which the performances on snow can be further improved.
A tire includes a plurality of inclined grooves extending in a direction inclined with respect to a tire circumference direction, arranged in the tire circumference direction; and block-like land parts formed and segmented by the plurality of inclined grooves include sipes extending in a tread width direction. The inclined groove extends outwardly in a tread width direction from a center part in the tread width direction including the tire equator line. One groove wall surface in the inclined groove is formed into a straight or curved line, while the other groove wall surface of the inclined groove is formed into a wavy pattern by forming a plurality of angular parts protruding inside the inclined groove.
Iwa Saki Kokuni
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu