Why spend money on a cheaper CO2 inflator which will inevitably fail when you need it the most! This CO2 inflator is made from superior quality CNC machined aluminum alloy with durable and precise parts, which is Built To Last, Inflate a tire in seconds with our CO2 pump . Control operation regulates speed of CO2 release for precisely controlled inflation. Twin valve head threads onto either Presta & Schrader valves with no valve head switching needed,so you can have a safe & enjoyable ride.