| 摘要 |
<p>A pneumatic tire (1) comprising a pair of bead portions (3) each including a bead core and a bead filler, a carcass layer (5) extending toroidally via a sidewall portion (SW), a tread portion (7) arranged on the outside of the carcass layer in the radial direction of the tire, and a layer (9) arranged on the inside of the carcass layer (5) in the tread width direction, and composed of rubber having a crescent cross-section in the tread width direction, for reinforcing the sidewall portion (SW), characterized in that inside width direction grooves (17) are arranged in the inside region (IN) of the tread portion (7), and circumferential direction grooves (23) and outside width direction grooves (25) are arranged in the outside region (OUT) of the tread portion (7).</p> |
