The ornamental design for a tire, as shown and described.
FIG. 1 is a perspective view of a tire showing our new design, it being understood that the pattern repeats uniformly throughout the circumference of the tread;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof; the right side elevational view being identical thereto; and,
FIG. 4 is an enlarged fragmentary front elevational view thereof.