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 Post subject: Re: Ghetto tubeless....
PostPosted: Mon Dec 30, 2013 8:09 pm 
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friendly kitty

Joined: Fri Mar 15, 2013 10:19 pm
Posts: 463
Might try silicone roofing caulk. Designed to bond to metal and carbon impregnated materials

Not sure what was recommended before. But silicone doesn't dry out the same as latex.


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 Post subject: Re: Ghetto tubeless....
PostPosted: Tue Dec 31, 2013 2:41 pm 
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yappin' kitty
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Location: Dallas, TX
axisofoil wrote:
Might try silicone roofing caulk. Designed to bond to metal and carbon impregnated materials

Not sure what was recommended before. But silicone doesn't dry out the same as latex.

I'm curious to hear how this turns out. Let us know!

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 Post subject: Re: Ghetto tubeless....
PostPosted: Tue Dec 31, 2013 3:11 pm 
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pussy
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Hmm I never had to use any special sealant for the valve stem. If you have a stem with a big enough rubber base, the homebrew sealant should do its job.


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 Post subject: Re: Ghetto tubeless....
PostPosted: Tue Dec 31, 2013 4:09 pm 
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big hucker
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Location: Dallas, TX
Found it. In this post: viewtopic.php?f=12&t=315#p5311

marpilli wrote:
Near the end of my schrader tubeless, I had one stem that had a persistent leak. I removed the stem and cleaned the area, put down a small amount of latex caulk, reinserted the stem (tightened it down really well) and let it dry overnight. The next day I did everything else as normal and no more leaks.

Here's a pic of the caulk I used...

Image

I just happened to be the caulk I had laying around. I didn't pick it for any other reason than convenience. :D

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 Post subject: Re: Ghetto tubeless....
PostPosted: Tue Dec 31, 2013 7:47 pm 
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grumpeh kitty!
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Joined: Tue Feb 05, 2013 8:47 pm
Posts: 339
Thanks all for the replies.

Marp, I thought it was a post that said something other than latex. Maybe it was silicone? In any event, I did the same as you with (probably) the same brand of latex caulk, including the wait overnight. It seemed very solid when I aired it up the next day. In fact, I did not have to add air for 2 months. Then BOOM, partial burp flat on the trail, pumped it back up, and the valve unsealed after I disconnected the pump head. I was consciously trying to be careful, but maybe I just reefed it.

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 Post subject: Re: Ghetto tubeless....
PostPosted: Sun Mar 02, 2014 2:38 pm 
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grumpeh kitty!
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It was "poly caulk." See tip #5 in post 96.

http://forums.EB.com/arizona/threaded ... st10857402

Also I just got a pair of rims that were drilled for Schrader, so I'm thinking of going with the 949 valves also discussed in that thread.

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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 07, 2014 2:02 am 
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big hucker
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Location: Dallas, TX
I've seen those Schrader valves and they look a lot better than the cut out ones I hobbled together for my first tubeless setup.

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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 07, 2014 10:27 am 
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bad kitty!
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And they're fairly cheap if you're American.
$17 for 4 pcs. including shipping.

Magura :)

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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 07, 2014 3:24 pm 
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yappin' kitty
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Joined: Mon Feb 25, 2013 9:05 pm
Posts: 957
Location: Dallas, TX
OMG genuine innovations is so....

....innovative?

Image


Sent from my hammock

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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 07, 2014 3:33 pm 
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yappin' kitty
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Posts: 682
Location: Dallas, TX
Paul_C wrote:
OMG genuine innovations is so....

....innovative?

Image


Sent from my hammock

Great stuff, thanks for sharing!

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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 07, 2014 7:16 pm 
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big hucker
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Location: Dallas, TX
Ha, that's great! What's the little tool in the bottom of the package for? Any idea on cost?

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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 07, 2014 8:16 pm 
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yappin' kitty
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MSRP is $60. :rofl: the tool is just a tire lever I think.


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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 07, 2014 9:54 pm 
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big hucker
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Location: Dallas, TX
Whew, that's steep. I was hoping the put together a $25 kit. No thanks.

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 Post subject: Re: Ghetto tubeless....
PostPosted: Fri Mar 09, 2018 8:43 pm 
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pussy
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Posts: 3926
5 years later, I finally acquired a roll of Tesa 4289 on US ebay, for $3.50+$5 shipping / 55m. It looks ok, not sure if better than Kapton tape I used before but cheaper.

Btw. I now use ghetto split tube tubeless on all rear wheels, they seem to be more resistant to pinch flats or rim dents that way.


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