Tubeless puncture repair kit that is stored discretely in the handlebars when not in useKit includes tubeless plug repair needle, small knife and 6 plugs in 2 sizes (3 of each) all stored in a pair of aluminum handlebar plugsInstall and remove the plugs with a simlpe turn of the end, no tools neededCompatible with handlebars with an internal diameter of between 17.5mm and 21mmDesigned for XC, MTB, and Enduro use - Not compatible with drop barsBlackUPC/EAN/GTIN: 3420584301015