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Thread: Tube Question

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  1. #1
    Join Date
    Apr 2006
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    I'm the only one allowed to whine
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    10,557
    Quote Originally Posted by uforgot View Post
    The tire was 35c, the tube was 29-32c. That is not in the range of the tire. That is why I was wondering why it seems to be normal to put a smaller tubes in larger tires.
    Oh, got it now. Sorry.
    "If Americans want to live the American Dream, they should go to Denmark." - Richard Wilkinson

  2. #2
    Join Date
    Jan 2006
    Location
    Massachusetts
    Posts
    2,556
    Looking at some available tubes, there are 28-32 and 35-38 by Performance and 20-28 and 28-38 by Specialized, 25-32 and 35-40 by Michelin. So 34 is in between sizes in some brands. The guys at my LBS keep trying to get Specialized to change the labeling on their tubes because they use the 20-28s up to 32 (or something like that). Anyway, tubes are very stretchy and just expand to fill the tire volume, so the stated widths aren't exact. Better to use a tube labeled for a smaller tire than one labeled for a larger tire if your tire is in the middle.
    Oil is good, grease is better.

    2007 Peter Mooney w/S&S couplers/Terry Butterfly
    1993 Bridgestone MB-3/Avocet O2 Air 40W
    1980 Columbus Frame with 1970 Campy parts
    1954 Raleigh 3-speed/Brooks B72

 

 

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