29 inch tubes and presta valves

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locell

locell

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Jan 16, 2010
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29 inch wheel sets are getting pretty popular, I've seen a few build on here with the Genesis Onyx 29" Cruiser, and the 29" Thruster "fixie".

These come with 29" Tubes with a schrader valve and wheels with a larger hole to match the schrader valve. If you get hole in a tube that you cant patch, its hard to find a 29" tube with a schrader valve, they are all presta.

Solution, just use a 26" tube. It works, just a lil bit of a different install. I put the tire on the rim with one bead, put the valve through the rim, then stuffed and stretched the tube onto the rim, then finished putting the tire on. You just cant find a schrader valve 29" tube.
 
shwnrttr

shwnrttr

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Dec 2, 2009
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Re: 29 inch tubes ans presta valves

ive also done this without any major problems. ive even stretched a 24'' tube on a 700c(29'') rode it for a couple of months, no issues
 
Mike B

Mike B

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Mar 23, 2011
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Re: 29 inch tubes ans presta valves

You haven't looked hard enough.



You can find anything on the internet. I got this off Amazon.
 
shwnrttr

shwnrttr

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Re: 29 inch tubes ans presta valves

i accually prefere presta valves. its a much smarter design. if you dont have a pump for the presta or if you use air compressor they make adapters for less than a dollar.
 
locell

locell

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Jan 16, 2010
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Re: 29 inch tubes ans presta valves

Mike B said:
You haven't looked hard enough.



You can find anything on the internet. I got this off Amazon.
Click to expand...
Do you have the amazon link for that? I'm curious on how much they would be shipped and the time etc. 26 inch tubes at wal-mart for 5.00 flat no shipping and no waiting seems kinda hard to beat.
 

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locell

locell

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Jan 16, 2010
215
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mesa
Re: 29 inch tubes ans presta valves

shwnrttr said:
i accually prefere presta valves. its a much smarter design. if you dont have a pump for the presta or if you use air compressor they make adapters for less than a dollar.
Click to expand...
Can you put the presta valve tube in a wheel that has a hole for a schrader? I was told not to do it because it would pop the tube. But it seems there is always a trick.

I'd like to use the right size tubes, but I'd also like to ride.
 
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G

goog

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Sep 16, 2012
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Re: 29 inch tubes ans presta valves

I have read here somewhere,someone used o ring or grommet,sounds like it would work.
 
NunyaBidness

NunyaBidness

Active Member
Jun 29, 2008
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memphis tn
Re: 29 inch tubes ans presta valves

locell said:
Can you put the presta valve tube in a wheel that has a hole for a schrader? I was told not to do it because it would pop the tube. But it seems there is always a trick.

I'd like to use the right size tubes, but I'd also like to ride.
Click to expand...
Check with your local bike shop. There are little rubber adapters that will allow you to use a Presta valve tube in a Schrader valve rim. I have used them for years now on my mtn. bike.
 
B

bigbutterbean

Active Member
Jan 31, 2011
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Lebanon, PA
Re: 29 inch tubes ans presta valves

They actually make schrader valve adapters. I bought a tube with presta valve at my local bike shop once, and he sold me an adapter for it because I didnt have a presta valve attachment on my pump.
 
locell

locell

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Jan 16, 2010
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Update, the 26" tube in the 29" wheel blew out in less than a week. Looks as if the tube got too thin when it was stretched. If i did this agian, I'd use a 26" HD tube. I ended up finding a correct size schrader tube at a local bike store
 
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