PNEUMATIC TIRE

摘要

PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of improving on-ice braking performance of the tire.SOLUTION: A pneumatic tire 1 has a tread surface provided with land parts 31-33 with a rib or a plurality of blocks. Additionally, the land parts 31-33 have a plurality of thin shallow grooves 7 and a plurality of recesses provided on a ground contact surface. Furthermore, an opening area ratio Sce of the recess 8 in a tread part center area and an opening area ratio Ssh of the recess 8 in a tread part shoulder area have a relationship: Sce