Old 08-03-10 | 04:59 PM
  #19  
FBinNY
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Joined: Apr 2009
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From: New Rochelle, NY

Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

Originally Posted by Grand Bois
Wrong. That's not how they work at all. The post above is correct.

Burp the Presta valve.
If it were the, OP wouldn't have had a reason to post in the first place.

On all SV chucks, you depress the pin to start the flow, plain and simple. Most chuck pins are conical and a bit wider so they'll be pressed open by the wall of the (Schrader) valve, or adapter, and not depend on the height of the pin as in the referenced post, but that doesn't help the OP because many PV adapters are bored open and have IDs too large to engage the chuck's pin and depress it.

If the OP uses either a shorter, or thicker walled adapter all will be OK. If the heights are matched he also won't need to burp the valve to top off a full tire because the chuck's pin will exert enough force, but with a tall thick walled adapter he might need to.
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Last edited by FBinNY; 08-03-10 at 05:05 PM.
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