The ornamental design for a tire tread of a vehicletire, as shown and described.
FIG. 1 is a perspective view of the vehicle tire, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an enlarged partial front view thereof;
FIG. 4 is a right side elevational view thereof; and,
FIG. 5 is a left side elevational view thereof.
While only portions of the tread design are shown, it should be understood that the tread covers the tire circumferentially in its entirety. Dashed lines show unclaimed subject matter.