The Bridgestone Potenza S007A RFT is an Ultimate Performance Summer tire developed for the drivers looking for track-level performance out of there summer tires while adding run-flat capability. It has a straight-rib and low-void asymmetric tread pattern for maximum contact with the road provided increased stability and steering response at high speeds. With chambered and multi sized tread blocks the Potenza S007A has a flatter contact surface to decrease stopping distances and circumferential grooves for water evacuation in wet weather conditions.