The ornamental design for a tire, as shown and described.
FIG. 1 is a front perspective view of the tire showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a partial front view thereof;
FIG. 4 is a left side elevation view thereof; and,
FIG. 5 is a right side elevation view thereof.
The dashed broken line forms the boundary between the claimed side wall portion of the tire and the unclaimed internal portion of the tire, and forms no part of the claimed design.