PURPOSE: To enable a car to continue riding thereof without having a bad effect on driving stability of the car even upon puncture of a pneumatic tire of the car by arranging, in concentrical relationship in the tire, a ring-formed load bearing member which includes a plurality of vessels filled with gas and mounted along a same circumference of the tire.

CONSTITUTION: A run-flat tire has a flexible ring-formed load bearing member E1 disposed in an air chamber 3 of a pneumatic tubeless tire T in concentrical relationship around an axis of rotation of the tire. The load bearing member E1 includes a plurality of vessels 1 filled with gas, and a flexible ring-formed vessel holder 2 formed to removably mount vessels 1 along a same circumference thereon. The holder 2 is formed like a gun belt and has a plurality of holder portions 2a independently formed along a circumference thereof. A plurality of such vessels 1 are removably held in each of the holder portions 2a of the holder 2.