Fast inflatable - CNC processing aluminum distributor with brass interior. The upgraded design with joystick operation can adjust the speed of carbon dioxide release to facilitate accurate control of inflation. It also "slowly" releases gas into the tires to control the potential freezing. Compact, portable and lightweight - the carbon dioxide inflater is compact, compact and light, and the design is simple, so it is easy to use and strong to use. Safe and reliable connection, leak-free-CNC processing aluminum parts, accurate and durable structure. Inflatable head designed for all "threaded" UNF3/8 carbon dioxide cartridges Why it must be a carbon dioxide inflater - when you need it the most, it can provide "rapid inflation" efficiently and reliably. Therefore, this is a good choice for competitions, group cycling or scheduled activities.