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What does talcum on tubes do??

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What does talcum on tubes do??

Old 10-08-11, 03:00 PM
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fishymamba
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What does talcum on tubes do??

Hello guys! I went to my LBS to get a new tube and the only ones they had in stock were Giant pre-talc tubes. It was $11!!!! But I needed a tube so I just got it. My question is what does the talcum powder do? Why the extra $6??? Is it worth it?
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Old 10-08-11, 03:09 PM
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I use these.

http://www.pricepoint.com/detail.htm...offer=EMA10EM1
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Old 10-08-11, 03:17 PM
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keeps them from chaffing...
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Old 10-08-11, 03:18 PM
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Originally Posted by fishymamba View Post
Hello guys! I went to my LBS to get a new tube and the only ones they had in stock were Giant pre-talc tubes. It was $11!!!! But I needed a tube so I just got it. My question is what does the talcum powder do? Why the extra $6??? Is it worth it?
The talc stops the tube from binding up against the tire rubber thus preventing flats from the tube binding up on installation. Makes it a little slippery. You can always use your own talcum powder as well.
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Old 10-08-11, 03:34 PM
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thats why I use a splash of powder on my goods every morning. To prevent pinch flats!
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Old 10-08-11, 03:55 PM
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I was discussing the subject of talc with the LBS mechanic and they refuse to use it, or tubes pre-talced. They mentioned that talc is a known carcinogen (first I had heard of it) as well as causing issues with the brachial tubes in your lungs.

I have been using it for years, I suppose I know why I have no lung capacity now...
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Old 10-08-11, 04:01 PM
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Feels good on a babys butt.
My tubes don't care.
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Old 10-08-11, 04:02 PM
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Tubes don't chafe inside the tire. They stick to it.

http://sheldonbrown.com/brandt/talcum.html
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Old 10-08-11, 04:28 PM
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Brandt aside, I find that tube installation on new tires with tight fitting rims just goes easier with some talc on the tube. YMMV.
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Old 10-08-11, 04:29 PM
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Originally Posted by punkncat View Post
I was discussing the subject of talc with the LBS mechanic and they refuse to use it, or tubes pre-talced. They mentioned that talc is a known carcinogen (first I had heard of it) as well as causing issues with the brachial tubes in your lungs.

I have been using it for years, I suppose I know why I have no lung capacity now...
http://www.cancer.org/Cancer/CancerC...der-and-cancer doesn't bother me

Originally Posted by ericm979 View Post
Tubes don't chafe inside the tire. They stick to it.
I might talc a tube that I patched just so the extra rubber cement around the patch doesnt attach to the tire over time
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Old 10-08-11, 04:29 PM
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Originally Posted by ericm979 View Post
Tubes don't chafe inside the tire. They stick to it.

http://sheldonbrown.com/brandt/talcum.html
I agree with Jobst. Talc does make the tube slightly easier to install, but I am very dubious about any claims of reducing flats. I've run tires all the way down to the cords without getting any flats and using the same tube for the whole time. The tube does stick to the inside of the tire a little, but pulling it off isn't a big problem.
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Old 10-08-11, 04:34 PM
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Thanks guys!! I guess there is no need for me to get pre talced tubes. I just got it because it was an emergency. I usually order from pricepoint box of 5.
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Old 10-08-11, 06:02 PM
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Thanks for the pricepoint tip
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Old 10-08-11, 06:53 PM
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Originally Posted by 10 Wheels View Post
Feels good on a babys butt.
My tubes don't care.
incorrect.

Powder makes a difference.
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Old 10-08-11, 07:11 PM
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It makes the tubes smell nice.
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Old 10-08-11, 07:30 PM
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The talc makes a small decrease in rolling resistance. The tube and the tire don't always contract and bounce back the same. It allows a little less friction between the tube and the tire.

Some people care about this, some don't. YMMV
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Old 10-08-11, 07:57 PM
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You cannot possibly use enough talc on your spares or your body. The stuff is pure magic.
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Old 10-08-11, 08:00 PM
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BTW, baby powder is available in a travel size bottle that is enough to last a biketime, and fits nicely in a toolbox.

KeS
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Old 10-09-11, 02:11 AM
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Originally Posted by 2manybikes View Post
The talc makes a small decrease in rolling resistance.
Citation needed.
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Old 10-09-11, 07:58 AM
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almost all "talcum powder" sold is really corn starch
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Old 10-09-11, 08:17 AM
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Originally Posted by kevin_stevens View Post
BTW, baby powder is available in a travel size bottle that is enough to last a biketime, and fits nicely in a toolbox.

KeS
That's exactly what I do. I keep it right by the bike stuff and even splash a bit in my cycling shoes every few weeks or so.
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Old 10-09-11, 05:22 PM
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These reason I use talc on my tire tubes is it make mounting and unmounting the tires much easier and lessens the chances of pinching the tube when doing so. IMO, it serves no other purpose.
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Old 10-09-11, 06:17 PM
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you guys like making polenta in little crevices?
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Old 10-09-11, 08:39 PM
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Originally Posted by bianchi10 View Post
thats why I use a splash of powder on my goods every morning. To prevent pinch flats!
I find the innuendo here to be hilarious. Good work sir.
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Old 10-09-11, 08:47 PM
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thay talc stuff is nonsense iv changed hundreds if not thousands of tubes as a mechanic and never had a problem its unnecessary its like putting a horn on an airplane whats the point?
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