This is the valve I have on my bike, but my current pump does not work with it. What kind of pump do I need to buy that will work with it?
Bicycles Stack Exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. It only takes a minute to sign up.Sign up to join this community
That is a Presta Valve. Your pump, I am going to guess, is a Schrader Valve. You can buy a Presta pump from a shop or buy a $2 adapter.
It may be that your current pump actually supports this valve, but the application may not be obvious. You may need, for example, to push the valve deeper into the pump than may appear possible at first; only then the corresponding valve or rubber o-ring in the pump will yield.
If this is the first time you see this valve then maybe you just don't know that you need to open the valve by turning it counterclockwise (when it's pointing up).