The Dunlop SP Sport 600 DSST CTT is an Maximum Performance Summer run-flat tire featuring Dunlops Self-Supporting Technology (DSST) developed for the all-wheel drive Nissan GT-R. Merging both car and motorcycle tire development and manufacturing technologies, the SP Sport 600 DSST CTT was created as a Combined Technology Tire (CTT) to enhance ride quality while providing temporary extended mobility for a distance of 50 miles at up to 50 mph even after a puncture has allowed complete air pressure loss.