The ornamental design for a tire, as shown and described.
FIG. 1 is a top perspective view of a tire showing a new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is an top plane view thereof; and,
FIG. 4 is an enlarged top plane view of a portion thereof.
The dot-dot-dash broken line depicts the location and borders of enlarged fragmentary views and form no part of the claim. The dash-dash broken lines depict unclaimed portions of the tire that form no part of the claimed design.