Marathon Flat Free Tires and Wheels provide the Bounce and Cushion of Air-Filled Tires without the possibility of Flats.
Marathon Flat Free Tires and Wheels are made out of polyurethane foam with ball bearings for long lasting durability. Choose from 17 different styles, including tires from 6" to 18.5" diameter. Available with Steel Rims or Plastic Spokes in Sawtooth, Jag, Centipede, Ribbed and Knobby Tread Designs. Tires and wheels are not for highway use.