The ornamental design for a tyre, as shown and described.
FIG. 1 is a front, left side perspective view of a tyre showing our new design;
FIG. 2 is a left side view thereof;
FIG. 3 is a front elevation view thereof; and,
FIG. 4 is a partial enlarged front view taken from FIG. 3.
The sidewalls of the tyre form no part of the claimed design. The broken lines in the drawings illustrate portions of the tyre that form no part of the claimed design.