Advertise on Bikeforums.net



User Tag List

Results 1 to 8 of 8
  1. #1
    Senior Member undisputed83's Avatar
    Join Date
    Aug 2009
    Location
    Westbrook, Maine
    My Bikes
    2011 Litespeed M-1, 1991 Raleigh Technium (Commuter)
    Posts
    553
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Tire deflating... but no apparent hole in tube?

    Is my wheel messed up? I hope to hell not...
    2011 Litespeed M-1 (Rival)

    1991 Raleigh Technium (Commuter)

    1999 Schwinn Frontier (Winter Commuter)

  2. #2
    Galveston County Texas 10 Wheels's Avatar
    Join Date
    Nov 2007
    Location
    In The Wind
    Posts
    25,302
    Mentioned
    1 Post(s)
    Tagged
    0 Thread(s)
    Remove the tube from the wheel.
    Pump it up and put in under water in the sink.
    Wiggle the valve side to side.
    You will get small bubbles somewhere.
    [SIZE=1][B]What I like about Texas[/B]
    http://www.youtube.com/watch?v=PGukLuXzH1E

    Set F1re To The Ra1n ( NY Night Rain Ride)
    http://www.youtube.com/watch?v=W7jfcWEkSrI

  3. #3
    Senior Member
    Join Date
    Nov 2008
    Location
    Bay Area, Calif.
    Posts
    4,797
    Mentioned
    4 Post(s)
    Tagged
    0 Thread(s)
    No, if the air is getting out then there's a problem with the tube. The hole might be very small - have you tried inflating it until the tube gets really big and then holding it under water in a sink or tub to look for bubbles coming out? In rare cases you can also have a problem with dust getting into the valve and causing a small leak. If the piece of dust gets moved the valve will work properly again.

    In any event, check inside the tire and the rim for any problems and if everything seems proper and smooth then put in a new tube and inflate.

  4. #4
    Senior Member undisputed83's Avatar
    Join Date
    Aug 2009
    Location
    Westbrook, Maine
    My Bikes
    2011 Litespeed M-1, 1991 Raleigh Technium (Commuter)
    Posts
    553
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    this is so frustrating... I just bought these tires and tubes... and the tire is such a tight fit. it's a pain to deal with...
    2011 Litespeed M-1 (Rival)

    1991 Raleigh Technium (Commuter)

    1999 Schwinn Frontier (Winter Commuter)

  5. #5
    Galveston County Texas 10 Wheels's Avatar
    Join Date
    Nov 2007
    Location
    In The Wind
    Posts
    25,302
    Mentioned
    1 Post(s)
    Tagged
    0 Thread(s)
    Better to do it in the comfort of your home.
    Yesterday Dave had a slow leak flat that went down on the highway.
    No place to pull over. Heat Index 105*

    [SIZE=1][B]What I like about Texas[/B]
    http://www.youtube.com/watch?v=PGukLuXzH1E

    Set F1re To The Ra1n ( NY Night Rain Ride)
    http://www.youtube.com/watch?v=W7jfcWEkSrI

  6. #6
    Senior Member nancyj's Avatar
    Join Date
    Jun 2010
    Posts
    278
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    schraeder or presTA? - sometimes the valve stem simply gets loose on schraeder and you can tighten it with one of these



    http://www.motosport.com/dirtbike/pr...segment=badger

  7. #7
    Mad bike riding scientist cyccommute's Avatar
    Join Date
    Nov 2004
    Location
    Denver, CO
    My Bikes
    Some silver ones, a black one, a red one, an orange one and a couple of titanium ones
    Posts
    15,419
    Mentioned
    9 Post(s)
    Tagged
    0 Thread(s)
    Quote Originally Posted by undisputed83 View Post
    Is my wheel messed up? I hope to hell not...
    Deflate over what time frame and by how much? Overnight? A couple of hours? A couple of weeks? Each has its own causes and remedies.

    If it's deflating overnight to a really flat tire, you likely have small hole and should fix it. If it's a couple of hours, you have a large hole and should fix it. If it's only dropping a few psi overnight (or over a couple of weeks) that's almost normal. Tires will loose pressure over time and you really can't stop them from doing that.

    If you are using CO2, you'll see a huge drop in pressure overnight. That is very normal. CO2 should only be used for emergencies and replaced with air before your next ride.
    Stuart Black
    Solo Without Pie. The search for pie in the Midwest.
    Picking the Scablands. Washington and Oregon, 2005. Pie and spiders on the Columbia River!
    Days of Wineless Roads. Bed and Breakfasting along the KATY
    Twisting Down the Alley. Misadventures in tornado alley.
    An Good Ol' Fashion Appalachian Butt Whoopin'.

  8. #8
    smallwheelsonly
    Join Date
    Jan 2009
    Location
    Ca.
    My Bikes
    SmallWheelOnly
    Posts
    279
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    this might shed some light how Schwalbe make their tires and tubes
    the labor and manpower required to make each tube. This is a German company=quality
    I doubt most tube manufacturers go to the troubles into the design, engineering, material quality, QC

    new tube failure normally= QC failure

    here look at the laborious process for tubes video start at 07:45
    but watch the whole video its quite interesting

    http://www.youtube.com/watch?v=M9RzJAWvOMQ

    Last edited by EM42; 07-13-10 at 03:51 PM.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •