UTQG: 140AA, SPEED RATING: Y, CLASS: XL, Perfect for sports car owners, the Bridgestone Potenza RE50A performance tire provides precision handling and superb dry grip. It includes several important features that deliver sport performance, including a solid circumferential center rib that enhances steering response and straight line stability. The tire also uses stabilized center blocks with a tie bar rib for increased handling, and a block and slick combination for great dry traction and dependable braking. In wet conditions, the tire reduces the risk of hydroplaning through circumferential grooves that remove water from the tread area. These great attributes make the Bridgestone Potenza RE50A performance tire a good match for your sports car.