The Dunlop SP Sport 01 A/S DSST ROF has Jointless Band Technology that keeps the tire shape and gives smooth performance at highway speed. The Aramid-Reinforced bead aids to provide tight and secure fit of the tire on the rim. The rim is also protected from accidental curb damage with its Max Flange Shield®. It features a silica tread that improves dry and wet traction while helping to minimize rolling resistance. Its Dunlop® Self-Supporting Technology (DSST)® *sports a patented sidewall design that allows driving on flat or deflating tire up to 50 miles at 55mph in normal condition.