| 摘要 |
<p>A pneumatic tire suitable for competitive sports has a specified tread pattern comprising a central region (C) and both shoulder regions (5), in which a plurality of bell-shaped wide-width main grooves (2) each extended substantially bell-shapedly into both sides approximately centering on an equator (E) of the tire are disposed in the tread at a given interval in the circumferential direction of the tire wherein the bell-shaped wide-width main groove has specified inclination angles in the central region and the shoulder region and specified groove width and groove depth, and a width of a connecting land portion (6) at a position where the bell-shaped wide-width main grooves are closest to each other is not less than 1.5 mm, and the tire has a given negative ratio at the central region.</p> |
