Rogue Components 16g Threaded Co2 Cartridges Six 16gram Premium Threaded CO2 Cartridges (Food Grade Quality) Designed for Bike CO2 Inflator Can Be Used for Bike Inflators, Paintball, Soda Machines, Air-Soft CO2 Pistols, KEG Charger Most Orders Ship the Same Day The Only CO2 Cylinder Specifically Designed for Cycling