The ornamental design for a tyre, as shown and described.
FIG. 1 is a perspective view of a tyre in accordance with our new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a left side view thereof; and,
FIG. 4 is a front elevation view thereof.
The part of the drawings shown with a reduced tonal value, along with the broken-line perimeter, illustrates portions the tyre that form no part of the claimed design.