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 tread pattern is repeated uniformly throughout the circumference of the tire tread.
FIG. 2 is an enlarged front elevational view thereof; and,
FIG. 3 is a side elevational view of the design of FIG. 1, the opposite side elevational view being identical thereto.