The SP Sport 01 A DSST ROF is a very quiet high performance tire. It features run flat technology so you can get a repair if your tire ever punctures. This summer extreme performance tire provides extremely high levels of steering response an tire to driver feedback. This is due to a unique construction that keeps the tire stiff and sends vibrations up to the driver. Drivers using this tire will experience outstanding grip on dry pavement and superior cornering performance. In exchange this tire is a bit noisy, stiff, and lacks the longer tread life of standard summer tires.