Maxxis Flat Track M7302 Dtr-1 Tires The Maxxis Flat Track M7302 Dtr-1 Tires are track ready and provide excellent traction, grip and feel. Features: Different available compound options For racing and track use only Not DOT approved for highway use Size Conversions: 130/80-19 is equivalent to 27x7-19 140/80-19 is equivalent to 27.5x7.5-19 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