The Mr Tuffy Road Bike Emergency kit comes with everything you need to fix a flat and the scrapes that may come with it Kit Includes: 2 - 16g CO2 cartridges 1 - Control Release Valve inflator 1 - Extension hose 1 - Patch kit with 2 tire levers 1 - first aid kit with bandaids, alcohol swabs and medical salve 1 - zippered storage bag Compatible with Schrader valve only Threaded SV 2 - 16g, repair kit, first aid ...