Tire tread

Tire tread having a first circumferential tread region comprising a circumferential first tread rib (22) and at least one laterally adjacent rib (18, 20) mutually separated by a circumferential tread groove (28, 30), wherein the circumferential grooves comprises a tie-bar (32) having a circumferentially oriented bisecting cut (36) extending from the upper surface (37) of the tie-bar toward the bottom (34) .