To provide a double tire for producing the good performance of a conventional double tire by a tire and a wheel.

This tire has two air chambers in a tire and has a central support wall 1 at the center of the tire toward the center of a wheel and has a return preventing member 2 at the tip end thereof. The wheel part is divided into two parts and has pinching parts A5 and B7 for pinching the return preventing member 2 at the center thereof. An outside wheel part 4 of the divided parts is fixed to the other inside wheel part 3 with bolts.