| 摘要 |
A pair of tyres comprising a front tyre and a rear tyre to be mounted on a front wheel and a rear wheel respectively of a two-wheeled vehicle, in which each of the front and rear tyres includes: a carcass structure having at least one carcass ply, the ends of which are in engagement with respective circumferential annular reinforcing structures; a belt structure applied to the carcass structure at a radially external position; a tread band applied at a radially external position to said belt structure; a pair of sidewalls laterally applied onto opposite sides relative to said carcass structure; and a pair of reinforcing side structures laterally applied at the sidewalls. Each reinforcing structure includes a plurality of cords where at each point of a cord, an angle different from zero is identified which is included between the tangent of the cord direction at that point and the tangent to a circumferential direction of the tyre passing through the point. The angle is constant or varying in a monotonic manner over the whole length of the cord.
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