The ornamental design for a tire, as shown and described.
FIG. 1 is an elevation view of the tire showing my new invention;
FIG. 2 is an enlarged partial front view thereof;
FIG. 3 is a perspective view thereof;
FIG. 4 is a right side elevation view thereof; and,
FIG. 5 is a left side elevation view thereof.
The dash-dot lines visible in FIG. 1, which show the portion of that figure which is enlarged in the partial view of FIG. 2, forms no part of the claimed design.