Quote Originally Posted by Kalidurga
Bruno, those Presta valves are a bit temperamental. I have a floor pump and I still end up having to remove and attach the valve head a few times to get it lined up properly. If it's not aligned you'll get that feeling that the pump won't budge, but it's definitely not because the tire's full.
I see what you mean about it being easier to pump when it's 'lined up'....but I'm not sure what I'm lining up with what??? Maybe I just think about things too much.