For 20" BMX Freestyle Bicycle Wheel Tire Pressure: 45-75 PSI Does not Include Rim Or Rim Strips. Only Tires & American/Schrader Valve Inner Tubes Sold By 2 Tires & 2 American Valve Inner Tubes For 20" BMX & FreeStyle Bicycles Compatible With 20 Inch Wheels High Quality Bicycle Tire With Sturdy Wire Bead For Guaranteed Security X-Semi Slick Style BMX Freestyle Tread Design