The Hoosier SM7 205/50ZR15 DOT Radial Competition tire has been developed for drivers who compete in Spec Miata road racing. The SM7 responds with grip in hot and dry conditions. They are designed to provide fast, consistent lap times and extended wear due to superior traction and handling.
WARNING: D.O.T. labeled Hoosier Racing Tires meet Department of Transportation requirements for marking and performance only and are NOT INTENDED FOR HIGHWAY USE. It is unsafe to operate any Hoosier Racing Tire, including D.O.T. tires, on public roads. The prohibited use of Hoosier Racing Tires on public roadways may result in loss of traction, unexpected loss of vehicle control, or sudden loss of tire pressure, resulting in a vehicle crash and possible injury or death.
And like all Dry Racetrack & Autocross Only tires, R7s are not intended to be driven in near-freezing temperatures, through snow or on ice. It’s also essential these tires be stored indoors at temperatures maintained above 32 degrees F.