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Fini les ecrase-"manets"!
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I have found that in the last couple of years the threads on presta valves have gotten a lot sharper and more destructive. I know they're tearing up my Silca gasket. Maybe that's what's happened to you?
 

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Fini les ecrase-"manets"!
Joined
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9,416 Posts
Sintesi said:
I try and use threadless stems when I can find them. Maybe it's just my perception. Do you go through a whole year without replacement?
I haven't gotten to a year yet. It's looking a little ragged after 6 months, though. Much worse than I thought it'd be. I found that Vredestein tubes have somewhat less-aggressive threads, so maybe I'm keeping it alive a bit longer. I can never find threadless anymore--even Michelin is threaded now.
 
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