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Installing Slicks - Same Tube

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Installing Slicks - Same Tube

Old 07-30-04, 05:47 PM
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ifeelpretty2
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Installing Slicks - Same Tube

Hello, probably a real stupid question...but..

I'm thinking of putting slicks on my bike. I was wondering, do I use my existing tube? If so, why is the max psi on a tire dependent on the tire and not the tube? (i.e. slicks go up to 100 psi while my existing knobby goes to about 80 psi). ???
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Old 07-30-04, 05:59 PM
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FoX Rider
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Its on the tire because some tires have stonger sidewalls. Slicks have weaker side walls then say the intense DH tires my friend has that can run at 16psi safely. Most tubes can hold the pressure.
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Old 07-30-04, 06:11 PM
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Tom Pedale
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Originally Posted by ifeelpretty2
Hello, probably a real stupid question...but..

I'm thinking of putting slicks on my bike. I was wondering, do I use my existing tube? If so, why is the max psi on a tire dependent on the tire and not the tube? (i.e. slicks go up to 100 psi while my existing knobby goes to about 80 psi). ???
The sidewalls of the tire support the tube, so it is the psi rating of the tire that matters. The only reason you might want to buy different tubes is if the slicks you're running are a narrower width than your knobbies which could mean installing the original tubes might be difficult or impossible.
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Old 07-30-04, 11:59 PM
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Raiyn
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Originally Posted by FoX Rider
Its on the tire because some tires have stonger sidewalls. Slicks have weaker side walls then say the intense DH tires my friend has that can run at 16psi safely. Most tubes can hold the pressure.
16 psi? Really? I'd think that any tube could hold 16 psi comfortably.
Originally Posted by Tom Pedale
The sidewalls of the tire support the tube, so it is the psi rating of the tire that matters. The only reason you might want to buy different tubes is if the slicks you're running are a narrower width than your knobbies which could mean installing the original tubes might be difficult or impossible.
Narrower tubes will make life easier when it comes time to install the slicks.
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