Method of retreading a tire with an endless premolded tread

A method of treading a tire including installing an endless premolded replacement tread on a tire casing having a predetermined inflated diameter, the replacement tread having a central tread portion of a diameter less than such predetermined diameter of the tire casing and a pair of opposed integral shoulder wings which terminate in a circular bottom edge having a diameter less than such central tread portion diameter, comprising the steps of preparing the tread area of the tire casing, inflating the tire casing to its road pressure, applying an adhesive layer to the tire casing, stretching the replacement tread by expanding the entire replacement tread while maintaining the molded relationship between the central tread portion and the integral shoulder wings, releasing the replacement tread at atmospheric pressure onto the tire casing, whereby the replacement tread is held under tension forces closely against the tire casing, biasing the edges of the replacement tread against the tire casing to effect a fluid seal between the circular bottom edges of the shoulder wings and the tire casing, stitching the replacement tread with pressure forces to remove entrapped air and curing the replacement tread and tire casing assembly in an autoclave without placing the assembly in a bag or similar device.