Originally Posted by
Barchettaman
it did. In some ways it’s an improved design; there’s no risk of the Presta valve getting bent by the pump head. Like I said, it’s in effect a Schraeder with a Presta outside diameter, really.
Is the inner valve core spring loaded (like a Schraeder) or operated by differential pressure (like a Presta)? I assume it's the latter. I'll probably never see one of these in my life, but in case the subject arises at a cocktail party, I'll be prepared to participate in the conversation.