Patent ID: 8079391

Claim:
A pneumatic tire comprising: a circumferential tread disposed between opposing tread edges; and opposing sidewalls disposed radially inward from the opposing tread edges, each sidewall having a generally rectangular extension block and a triangular extension block, the rectangular extension block protruding axially outward from the sidewalls by a first amount, the triangular extension block protruding axially outward from the sidewalls by a second amount, the first amount being less than the second amount, the generally rectangular extension block defining a generally rectangular lateral tread surface along the sidewalls, the triangular extension block defining a triangular lateral tread surface along the sidewalls, a radially outer, circumferentially extending edge of the generally rectangular extension block providing sidewall grip and traction during off-road operation of the tire, the radially outer, circumferentially extending edge of the generally rectangular extension block being inclined relative to the circumferential direction of the tire in the range of 0° to 40°, the generally rectangular extension block protruding axially 6-8 mm away from each sidewall, the triangular extension block having a radially and axially extending outer circumferential edge, a radially extending edge, and a circumferentially extending edge.