Mickey Thompson Sportsman SR Radial Tires 15% off and Ships Free. Sportsman SR Radial Tires are classic tires featuring a unique flamed tread pattern for excellent traction. They also have radial construction that facilitates smooth rides and high mileage. They have extra wide rears and a matching front. Sportsman SR Radial Tires are built with their H-speed Rated up to 130 mph.The tires are ideal for any street machine builder or street. It is important to note that they have radial construction and therefore, they should not be mixed with non-radials tires on the same vehicle.