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Old 06-19-12, 06:00 PM   #1
stevekk
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A real Dumb ? can I Stretch a 590mm tire to fit my 597 mm.. Rim

OK OK.. go ahead and throw stones at me...
but just had to ask !!!
Curiosity got the best of me.

BUT ..Hey... its only 7 mm difference.
But what do I know. Nothing.
New at all this bike stuff and trying to learn.

Thanks !!
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Old 06-19-12, 06:42 PM   #2
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Sometimes it's hard enough to force a correctly sized tire onto a rim. Honestly, I don't know what 590mm and 597mm relate to (650c is 571, 700c is 622) but I'm betting they won't work trogether.
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Old 06-19-12, 07:23 PM   #3
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Even if you managed to get it on there, which I expect would be extremely difficult, remember that you might have a flat and have to remove it and reinstall it by the side of the road under less than ideal conditions. Tubes can be stretched to cover just about any size in a pinch (sorry), but you need to use a tire that's the correct diameter.
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Old 06-19-12, 07:38 PM   #4
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Nope.

Get the right sized 26 by 1 1/4 tyre (EA1) and do not force a 650B on to your rim. I had a case like this and the removal of the smaller tyre required destructive measures and came with a much higher bill than usual because of the time and swearing that was involved. Had the tyre gond fglat on the road the owner would have never been able to remove it with basic tools because getting it on must have required shop grade levers.

What kind of bike are you working on and can you get these tyres there ?

If tyre availability is a problem send me a PM as I have spares in this size.
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Old 06-19-12, 08:44 PM   #5
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650a.
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Old 06-20-12, 08:52 AM   #6
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Tire beads are specifically manufactured with steel wire or Kevlar to be non-stretchable so they don't blow off the rim under pressure.
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Old 06-20-12, 09:02 AM   #7
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Quote:
Originally Posted by Looigi View Post
Tire beads are specifically manufactured with steel wire or Kevlar to be non-stretchable so they don't blow off the rim under pressure.
This bears repeating. Despite being made mostly of rubber and flexible material, the steel bead of the tire is NOT flexible. Its circumference (and therefore diameter) is fixed. I have run into the exact same situation before ("regular" cruiser tire onto a Schwinn rim). You can't do it, no matter how many tire levers you break. The opposite operation, putting a 597 on a 590, is easy, but the tire will not stay when you try to inflate it, no sir.
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Old 06-20-12, 10:05 AM   #8
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I busted a vein in my forehead trying to get a 558.5 tire onto a 559 rim. Some tires are just a little undersized, and I found it.
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Old 06-20-12, 04:15 PM   #9
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thanks... I will stay with the right size tire.
In my case a 597 mm.
Just had to ask.

Got my new tires thru Amazon.
Kenda Brand
26 x 1 3/8
Gumwalls
597 mm
Manufactured just to fit the Schwinn Rim.
Real nice looking quality tire.
About 28 bucks for 2 shipped thru Amazon.

Last edited by stevekk; 06-25-12 at 07:30 AM.
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