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can i reuse my inner tube?

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can i reuse my inner tube?

Old 07-31-08, 12:47 AM
  #1  
daven1986
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can i reuse my inner tube?

hi,

can i use the inner tube from my 700x26 tyre in my new 700x23 tyre?

thanks

daven
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Old 07-31-08, 01:33 AM
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most of the time that will work just fine
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Old 07-31-08, 04:52 AM
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Pedaleur
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Originally Posted by daven1986 View Post
hi,

can i use the inner tube from my 700x26 tyre in my new 700x23 tyre?

thanks

daven
The inner tube should have a rating on it somewhere that says what range of tires it's recommended for. That said, even if 23 is outside the range, the worst that will happen is it will be a little harder to stuff in there, potentially leading to a pinched tube.
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Old 07-31-08, 05:10 AM
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A 3mm difference in tyre width shouldn't be a major problem.
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Old 07-31-08, 05:49 AM
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do it all the time...... no real iisues to date
 
Old 07-31-08, 07:58 AM
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You'll be fine.
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Old 07-31-08, 09:11 AM
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Unless it was a 28-32 that was stuffed into a 26, then it might be pushing it, but more likely it's in the 18-25 range so it's probably actually the right tube.
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Old 07-31-08, 12:43 PM
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daven1986
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cool thanks
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Old 07-31-08, 01:42 PM
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Pedaleur
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Originally Posted by daven1986 View Post
cool thanks
Note that the other way around (thin tube in a wider tire) could potentially over stretch the tube and lead to a blow out. Don't know that I'd worry about 3mm, though, given that the range is undoubtedly conservative.
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Old 07-31-08, 01:52 PM
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lol ok this is a silly question...how do i check my wheel is still true?

thanks
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Old 08-01-08, 03:59 AM
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Pedaleur
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Originally Posted by daven1986 View Post
lol ok this is a silly question...how do i check my wheel is still true?

thanks
Pick up the bike and spin the wheel. Look at the wheel where it passes between the brake pads.
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Old 08-01-08, 08:10 AM
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Reusing the wrong size tube in the tire causes changes in the specific gravity of the tire compound immediately surrounding the tube. This chemical alteration in the vulcanized rubber renders the tire unusable and unsafe. Using these improperly sized, chemically altered, physically compromised tubes will almost certainly result in injury or death.

Of course I could be wrong.
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Old 08-01-08, 09:01 AM
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I have an old german bike I redid that has 28x 1 1/2 tires on it the front wheel has a 26x2.125 tube in it I got the bike on sunday ,no one in town had that tube , I had the 26 tube hanging on the wall so I tried it it has been in the tire for 3 months with no problem
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