CO2 is great and all, but once you've blown through your last cartridge, you a bit SOL. Don't get caught out with a flat with the Silca Tattico hand pump. This premium quality pneumatic tool fits neatly next to a bottle cage on any bike. The Bluetooth model syncs to your smart phone to give you an accurate pressure reading. We know how crucial the exact PSI is to reach peak suppleness of your high end tires, and the Tattico makes guesswork a thing of the past.