The ornamental design for a tyre, as shown and described.
FIG. 1 is the front elevational view of a tyre, for which the other sides, include rear, top and bottom view, are the same;
FIG. 2 is a right side elevational view thereof, for which the left side view is the same; and,
FIG. 3 is a perspective view of a tyre showing the new design, it being understood that the pattern repeats uniformly throughout the circumference of the tread.
The broken line defining the sidewall and the inner bead is included for the purpose of illustrating environment and forms no part of the claimed design.