The ornamental design for a tire, as shown and described.
FIG. 1 is a front perspective view of the tire showing my new invention;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a partial front view thereof;
FIG. 4 is a right side view thereof; and,
FIG. 5 is a left side view thereof.
The dashed broken lines represent the border to the unclaimed portions of the interior of the tire in FIG. 1. The dash-dot broken lines in FIG. 2 indicate the area where the partial front view of FIG. 3 is located on the full view of the tire and forms no part of the claimed invention.