| 摘要 |
A pneumatic tire (20) for a front wheel of a motorcycle comprising a pair of bead cores (26) embedded in a pair of bead portions, a carcass (28) toroidally extending between the pair of bead portions and wound around the bead core from an inside of the tire toward an outside thereof, a belt (30) disposed on an outer surface of a crown portion of the carcass in a radial direction of the tire, and a tread portion (24) disposed on an outer surface of the belt in the radial direction, wherein the carcass (28) is comprised of at least one carcass ply containing organic fiber cords arranged at a cord angle of 60-90 DEG with respect to an equatorial plane of the tire, and the belt (30) is a spiral belt layer formed by spirally winding a continuous rubberized cord or a continuous ribbon-shaped body containing plural cords therein in a widthwise direction of the tire so as to extend the cord substantially in a circumferential direction of the tire, and at least one reinforcing layer (32) is disposed inside an innermost carcass ply or on an inner surface of an innerliner (34) at a width corresponding to 20-120% of a width of the spiral belt layer (30) and is a rubber layer or a rubberized cord layer. <IMAGE> |
