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 Post subject: lightest valve extenders
PostPosted: Sat Sep 05, 2009 1:40 am 
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Joined: Sun May 11, 2008 2:17 pm
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Location: Canada
anyone research who makes the lightest valve extenders?

many sell them, zipp, bontrager, tufo, vittoria...

i weighed mine stainless ones tonight (bontrager i think) and they are 5g each.
are some available in aluminum or plastic?

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 Post subject: lightest valve extenders
Posted: Sat Sep 05, 2009 1:40 am 


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PostPosted: Sat Sep 05, 2009 1:44 am 
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Tufo 40mm valve extenders are 2g each, 4g/pair. Scale verified.


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PostPosted: Sat Sep 05, 2009 1:47 am 
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I don't know particulars but I know that kcnc makes extenders. They're likely to be the to be the top of the heap.

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PostPosted: Sat Sep 05, 2009 1:50 am 
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I made a couple of carbon ones. They don't even register on my gram scale!

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PostPosted: Sat Sep 05, 2009 2:46 am 
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Well, there is the removable type...you screw it over the top of the , pump up the tire, unscrew it and put it in your jersey or tool pack.

They are not perfect, but they work.

V.

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PostPosted: Sat Sep 05, 2009 3:27 am 
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53x12 wrote:
Tufo 40mm valve extenders are 2g each, 4g/pair. Scale verified.


52x12 that's great, a winning reply in record time.
i will check these out.

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PostPosted: Sat Sep 05, 2009 3:28 am 
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ritcheykestrel wrote:
I made a couple of carbon ones. They don't even register on my gram scale!


richey that is cruel. not funny man.
you'd better elaborate or i will stalk you :twisted:

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PostPosted: Sat Sep 05, 2009 3:48 am 
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Problem solvers are the lightest I have seen. The 33mm ones are less than 1g each!

http://www.bikeman.com/PU4500.html

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PostPosted: Sat Sep 05, 2009 3:51 am 
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WideAMG wrote:

52x12 that's great, a winning reply in record time.
i will check these out.


No worries. In the US can find them for $5-9 per extender. Not bad at all.


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PostPosted: Sat Sep 05, 2009 3:54 am 
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xcfisher wrote:
Problem solvers are the lightest I have seen. The 33mm ones are less than 1g each!

http://www.bikeman.com/PU4500.html



Nice, I will have to consider those for my next build.


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PostPosted: Sat Sep 05, 2009 4:39 am 
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I bought carbon tubing from a US maker called Dragon Plate. www.dragonplate.com. They make many different types of tubing and carbon in general. I machined it down on the one end to hold the pump head on and the other I just threaded with a die. It works fine if you do it slow. What is nice is that the tubing comes in long lengths and you can cut it to what you need. They end up casting you about 12.00usd total for both. I have tried to get some pics put up here, but it always says they are too big. Sorry. Hope that helps.


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Posted: Sat Sep 05, 2009 4:39 am 


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