PNEUMATIC TIRE

Pneumatic tire which comprises a tread portion (2) provided with two shoulder main grooves (3), a crown main grooves (4), two shoulder land zones (8), and two middle land zones (7); the shoulder land zones (8) are each provided with shoulder lateral grooves (11); the middle land zones (7) are each provided with middle narrow grooves (10); each of the middle narrow grooves (10) comprises a sipe-like narrow portion (12) whose groove width is less than 2 mm, and a wide portion (14) whose groove width is not less than 2 mm; the wide portion (14) includes an axially outer wide portion (15) formed at the axially outer end of the middle narrow groove (10)