The ornamental design for a tire, as shown and described.
FIG. 1 is a left side elevation view of the tire showing my new invention;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a top elevation view thereof;
FIG. 5 is an enlarged partial top elevation view thereof; and,
FIG. 6 is an enlarged partial top elevation view thereof.
The dashed lines in the drawings are used for demarcation to indicate where enlarged fragmentary views originate, but the dashed subject matter does not form a part of the claimed invention.