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 an enlarged partial front elevation view thereof;
FIG. 4 is a right side elevation view thereof; and,
FIG. 5 is a left side elevation view thereof.
The broken line in FIG. 1 represents the border between the claimed portion of the tire and the unclaimed inner portion of the tire, and forms no part of the claimed design.