The ornamental design for a segment of a vehicletire, as shown and described.
FIG. 1 is a side elevation view of a segment of a vehicle tire showing my
new design it being understood that the opposite side is a mirror image
thereof;
FIG. 2 is a top plan view thereof; and
FIG. 3 is a cross sectional view thereof taken along line 3--3 in FIG. 2.