The bicycle pump pressure gauge is large, accurate, and easy to read. Rapid T-Valve: Presta valve bike pump also inflates Schrader valves, with a simple flick of a switch. The “Rapid T-Valve ...

That is, a pretty interesting bike pump called the Zilch ... a diametral seal design with two sides that squeeze onto the (presta) valve. When you’ve inflated the tire, a squeeze of the lever ...