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 Post subject: Valve extender length
PostPosted: Tue Jun 03, 2014 10:49 am 
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Joined: Sun Aug 07, 2011 4:00 pm
Posts: 14
Hello,
I just bought veloflex carbon tubular tires with 42 mm long presta valve, and realized that it may be to short to my 38 mm tubular rims.
How long valve extender should I buy to my rims?


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 Post subject: Valve extender length
Posted: Tue Jun 03, 2014 10:49 am 


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PostPosted: Tue Jun 03, 2014 1:44 pm 
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Joined: Sat May 28, 2005 9:21 pm
Posts: 713
Location: Norway, Oslo
As short as you can find is my suggestion. I have bora 35's with a 20mm valve extender. It's more than long enough.

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PostPosted: Tue Jun 03, 2014 7:50 pm 
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Joined: Sat Dec 13, 2003 2:25 am
Posts: 4511
Location: Canada
First, make sure you buy the type that relocates the valve core, not the type that just slides-over an open valve. I prefer the brass-bodied Vittoria ones: http://www.wheelbuilder.com/vittoria-va ... nders.html

Second, when you relocate the valve core, make sure that you use a few turns of Teflon plumbing tape on the threads of both the valve stem and the valve core. It is much better to make sure that you have a good seal before you glue-up the tire.

With respect to the length, the 30mm version should be the 'right' choice for you.


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PostPosted: Tue Jun 03, 2014 8:03 pm 
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Joined: Sun Aug 07, 2011 4:00 pm
Posts: 14
Thank you for help guys. :beerchug:


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