Fiat 500 600 12 inch Whitewall Insert Set Italian Cars >Fiat >Topolino >Tires Front wheel bearing set for Color:Grey Front wheel bearing set for Fiat 1300 Fiat part # 1903138 1443096407 should only be used on tubed tires remove the valve from the inner tube in order to completely deflate the tire debead the tire from the wheel slip the whitewall insert between the wheel and tire refit the valve and inflate the tire allowing the insert to become trapped between the wheel and tire glue is not necessary however they can be glued without glue the insert will whip and cause tire wear where the outer part of the insert rubs on the tire sidewal Set of 4 whitewall inserts 12 inchfor Fiat 500 and 600 models