Originally Posted by
Retro Grouch
You're right I should have said pushed onto the valve stem. I don't have to do that when I pump a Schrader valve tire with my air compressor.
Actually, I take it back. You thread a needle so I don't think my use of that word was incorrect at all.
If you want the ultimate in simple operation presta heads, this is it. Easier than ANY Schrader chuck. Before first use, you set the rubber washer compression.
Then you just pop it on and air it up. No levers, no screwing,
