Shinko Tires 267 / 268 Flat Track Tires The Shinko Flat Track tires are made to withstand the rigors of the sport, while providing the best traction for the specific dirt you might encounter. The Sr267 / 268 is available in multiple compounds to give you the best tire for any track. Features: Proven performance DOT-approved Notes : It is recommended to change your valve stem, tube and/or rim strip when installing a new tire. Shop Here! Need your tire mounted Weve got you covered! Tire Mount Discount