Transform threaded CO2 cartridges into a bare-bones tire inflation device. Quickly. Well made and very tiny, this device will inflate both common Schrader valves found on motorcycles as well as the Prestas found on our unpowered 2-wheeled brethren. Includes one 16g. CO2 Cartridge. 4.2"×1.5"×0.9", 3.5 oz.