New answers tagged presta
For shorter stem presta valves in deep rims the trick to fill air is to first deflate the tyre about 50%, then push the pump head onto the stem with one hand while at the same time pushing the stem through the rim from the tyre side with your other hand. Then use the lever to get a good seal. When you pump it up, the increase in pressure in the head of the ...
You don't actually have to decide :-) For bicycles you want a pump that is capable of pretty high pressures (at least relative to a car) and most bicycle pumps can do either Presta or Schrader valves. Many floor pumps have a reversible head (two heads in one). For frame pumps it is common for the pump head to be convertible between Presta and Schrader. ...
You should buy a presta pump, especially if your wheels already have presta valves. But one fitted with a pressure gauge as well.
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