FIG. 1 is a perspective view of a tire tread, showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is an enlarged perspective view of a section of the tire tread defined by lines 4-4 in FIG. 1;
FIG. 5 is an enlarged front view of the section of the tire tread defined by lines 5-5 in FIG. 2; and,
FIG. 6 is an enlarged side view of a section of the tire tread as defined by lines 6-6 in FIG. 3.
The broken lines showing the tire in FIGS. 1-6 are included for the purpose of illustrating environment, and form no part of the claimed design.