The present invention relates to a method of lubricating the interface between a supporting ring and inner surface of a tire for use with a rim for a tire having two beads, comprising the step of providing a lubricant on a surface of said supporting ring, said lubricant comprising at least 60 percent by weight of polydimethylsiloxane, from about 7 to about 13 weight percent of amorphous silica, and from about 7 to about 13 weight percent of hydroxy-terminated dimethyl siloxane.