Abstract: A tire comprising a tread portion divided between a central portion and two shoulder portions; wherein two main external grooves extending in a circumferential direction of the tire are each disposed between the central portion and one of the two shoulder portions; wherein the central portion comprises a first intermediate rib, a second intermediate rib, and a central rib, each of the shoulder portions has a plurality of shoulder blocks in the shoulder portion; wherein at least one shoulder block shows at least one lateral sipe; each of the first intermediate rib and the second intermediate rib has a plurality of intermediate blocks in the intermediate ribs, wherein the intermediate blocks show a central sipe opened on either side of the intermediate block and arranged to have an opening on the main external groove facing an opening on the same main external groove of an adjacent shoulder lateral groove.

Abstract: A first tread pattern display system for new tread patterns includes a first upper sidewall part, a second upper sidewall part, a first tread shoulder part, a second tread shoulder part, and a middle tread part. The first upper sidewall part removably attaches to the first tread shoulder part by a plurality of projections extending from the first upper sidewall part to corresponding recesses in the first tread shoulder part.