The Optimo H426B RFT from Hankook is an Original Equipment tire developed for sporty sedans. Like all other Run-Flat Tires, the OPTIMO H426B RFT is designed to repel deflation effects when the tire is punctured. This feature allows the vehicle to continue driving at a distance of up to 100 miles for approximately 55 minutes at a reduced speed. The Optimo H426B not only looks good but performs well, but is not intended for use in near freezing temperatures or on roads covered with heavy snow. Features & Benefits: Provides predictable handling and year round traction, including light snowy conditions; Interior steel belts covered in polyester cord body to provide strength and durability; Symmetric tread design with self-regulating block on the outside to deliver excellent traction on all road surfaces; All-season tread compound to provide tire with a longer life and a more comfortable ride; Low rolling resistance.