To provide a valve for a tire for charging air to an outside air chamber and an inside air chamber arranged in the tire of a double structure.

This valve for the tire is characterized by having a first valve core 31 for allowing a movement of air in the tire, and regulating the movement of air to the outside of the tire, and a second valve core 35 housed in a second air supply passage 27, allowing the movement of air in the inside air chamber 14 when the inside of the second air supply passage becomes prescribed pressure, and regulating the movement of air to the outside of the inside air chamber.