Dunlop® Self-Supporting Technology (DSST)® (Refer to the run-flat owner's manual/limited warranty recommendations on operation at low or no air pressure. Tire pressure monitoring system required. Sold separately.) (Only on SP Winter Sport M3 DSST ROF.)
Help handling in adverse winter conditions
Helps protect rims from accidental curb damage
Patented sidewall construction and specially developed rubber help allow continued mobility up to a distance of 50 miles at a maximum speed of 50 mph in normal conditions
