| 摘要 |
Heavy duty tire, wherein a distance t1 from the radially outer surface of a belt layer (7) to the tire's inner surface is 15 to 23 mm when measured along a tire radial direction line (13) passing through the bottom of a shoulder main groove (12); the width of the shoulder main groove (12) is more than the width of a center main groove (11); the ratio Wc: Wm: Ws of the average width Wc of a center land portion (20), the average width wm of a middle land portion (30), and the average width Ws of a shoulder land portion (40) is 1.00 : 1.00 to 1.08: 1.03 to 1.13; the middle land portion (30) is provided with a plurality of middle axial grooves (31); the shoulder land portion (40) is provided with a plurality of shoulder axial grooves (41); the width of the shoulder axial groove (41) is more than the width of the middle axial groove (31); the angle ¸s of the shoulder axial groove (41) is more than the angle ¸m of the middle axial groove (31) with respect to the tire axial direction. |
