The ornamental design for a tire, as shown and described.
FIG. 1 is a perspective view of a tire, showing our new design;
FIG. 2 is a front elevation view thereof, it being understood that the tread pattern is repeated uniformly throughout the circumference of the tire;
FIG. 3 is a right side elevation view thereof; and,
FIG. 4 is a left side elevation view thereof.
The portions depicted in broken lines of even length illustrate portions of the tire that form no part of the claimed design. The portions depicted in broken lines of uneven length define the unclaimed boundary of the claimed design.