The Barbieri Moskito dual-function tyre inflator has absolutely everything. It will get you out of trouble when you have a puncture and want to properly inflate your bike tire without wasting any time. Thanks to its dual-function system, you can choose the inflation method you need to properly inflate your bike tire. You can do it manually, as you would with a simple hand pump, or using the CO2 cartridge that it has, for a quicker and easier pumping, all with the same pump. It is very compact so you can easily carry it in your jersey pocket without it getting in the way.Do not worry about your bike\'s valve type, this inflator is compatible with both Presta and Schrader valves.