| 摘要 |
<p>A pneumatic tire for motorcycles is provided which can improve traction performance especially during sharp cornering by largely leaning a vehicle, and stability during leaning of a vehicle without diminishing other performances. A pneumatic tire for motorcycles having a tread portion 11 formed in a circular shape, the tread portion 11 having a crown portion which has a spiral belt layer 3 in its inside in the radial direction of the tire, the spiral belt layer having an angle of 0 to 5° with respect to the circumferential direction of the tire and an arrangement width 0.5 to 0.8 times as large as the tread width, wherein the spiral belt layer 3 is split into three in the transverse direction and the tensile elastic modulus of the cord constituting the region at the both edges of said spiral belt layer 3 split into three is lower than that of the cord constituting the central region.</p> |
