Abstract: A wheeled luggage with a third wheel control mechanism in which release button is disposed within the bezel for controlling the extension of third wheel by actuating a connecting rod attached between release button and third wheel control lever in particularly, the extension of the third wheel is actuated simply by pressing the release button provided within the bezel and the retraction of the same is only to push to third wheel bracket plate into the back plate of luggage and to have it locked thereto. The location of the connecting rod is preferable near the retractable handle. By utilizing this, connecting rod is enhanced in mechanical strength for preventing from being deformed by the weight of luggage during transportation, and an easy assembling and a simplified controlling mechanism are obtained.