Stans tubeless system converts your existing wheel set to tubeless it allows you to use either standard or tubeless tyres saving hundreds of dollars and weight over purchasing other tubeless systems this kit includestwo molded rim strips with presta removable valve coresone pint of tire sealant with a 60g scoop and spoutone 10 yd roll of rim tapenotubescom decaldetailed instructions standard kit fits most cross country rims measuring 215 to 245mm wide equipped with 32mm removable core pr