No flats joes am tubeless conversion kit joes tubeless rim strips are specifically designed to secure the tyre inside the rim with no loss of air from the rim weight 70 grams per strip including valve fits rims with frenchpresta valve hole openings this kit contains all you need to convert two 26 or 29 standard mountain rims and tyres to tubeless and keep you riding tubeless for years features 240 ml joes super sealant with micro sealing particles 2 high quality rubber tubeless str