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Tire liner causing flats?

Started by Robert Haston · · Last activity · 8 posts · 345 views

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01 / Original postTire liner causing flats?Robert Haston · 28 Dec 2004 02 / This pagePosts 1–8Page 1 of 1 · chronological order 03 / Latest replyPost #8Chris Zacho The Wheelman · 3 Jan 2005

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Original section
Cycling Equipment
Published
28 December 2004
Last activity
3 January 2005
Original author
Robert Haston
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8
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Public discussion
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  1. Original post
    Robert Haston
    Archived post
    #1

    No, it wasn't the sharp cut off edge of the "Mr. Tuffy" cutting into the
    tire. I feather off the liners on my bench grinder.

    I had put thousands of miles (maybe 10 grand or so) on the liners. The tube
    cuts ( I had two in a row) were lengthwise about 1 cm long, in the area
    where the liner overlaps itself. I noticed no penetration of the liner on
    the first instance. On the second I noticed the inner liner had a matching
    cut. Also, I noticed a weird distressed area over the cut, forming two
    sharp Vs about 2 cm long. I've stopped using the liner and all is well. It
    is just so weird.

    I figure the liner after 8,000 miles or so is getting soft and somehow
    pinching itself where it overlaps.

    Anyone seen such a thing?

    --
    Robert Haston
    Satellite Beach, FL

    Report
  2. daveornee
    Archived post
    #2
    Robert Haston said:

    No, it wasn't the sharp cut off edge of the "Mr. Tuffy" cutting into the
    tire. I feather off the liners on my bench grinder.

    I had put thousands of miles (maybe 10 grand or so) on the liners. The tube
    cuts ( I had two in a row) were lengthwise about 1 cm long, in the area
    where the liner overlaps itself. I noticed no penetration of the liner on
    the first instance. On the second I noticed the inner liner had a matching
    cut. Also, I noticed a weird distressed area over the cut, forming two
    sharp Vs about 2 cm long. I've stopped using the liner and all is well. It
    is just so weird.

    I figure the liner after 8,000 miles or so is getting soft and somehow
    pinching itself where it overlaps.

    Anyone seen such a thing?

    --
    Robert Haston
    Satellite Beach, FL


    Yes, the liner flexes when the tire flexes.

    Report
  3. Qui si parla Campagnolo
    Archived post
    #3

    Lots of baby powder on the tube before installation.

    Peter Chisholm
    Vecchio's Bicicletteria
    1833 Pearl St.
    Boulder, CO, 80302
    (303)440-3535
    http://www.vecchios.com
    "Ruote convenzionali costruite eccezionalmente bene"

    Report
  4. A Muzi
    Archived post
    #4
    Qui si parla Campagnolo said:

    Lots of baby powder on the tube before installation.

    I don't believe chalk or talc can prevent a cut from a sharp
    tire liner edge.

    --
    Andrew Muzi
    www.yellowjersey.org
    Open every day since 1 April, 1971

    Report
  5. Email address hidden
    Archived post
    #5
    Peter Chisholm said:

    Lots of baby powder on the tube before installation.

    That sounds like an old saw. I haven't heard how powder is effective
    in stopping chafing wear on tubes but I'll listen if you will tell.

    Jobst Brandt
    [email hidden]

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  6. Pat
    Archived post
    #6

    : Lots of baby powder on the tube before installation.
    :
    : Peter Chisholm

    (Smacks forehead) NOW you tell me!

    Pat in TX

    Report
  7. Qui si parla Campagnolo
    Archived post
    #7

    I use baby powder to prevent the tube from sticking to the inside of the tire
    and also to allow a tire liner to move around a wee bit to prevent things ;ke
    tire liner produced flats.. i cannot give anybody the physics of it, tjust that
    when using baby powder, it works. Nice smell too and keeps the hands dry on
    warm summer days, when installing tight clinchers.

    Peter Chisholm
    Vecchio's Bicicletteria
    1833 Pearl St.
    Boulder, CO, 80302
    (303)440-3535
    http://www.vecchios.com
    "Ruote convenzionali costruite eccezionalmente bene"

    Report
  8. Chris Zacho The Wheelman
    Archived post
    #8

    Yes. I used to get them frm the Tuffy's on my MTB. What causes it is the
    flexing that occurs where the two ends overlap, chaffing the rubber.

    I found that kevlar belted tires do a much better job without eating
    into my tubes.

    - -

    "May you have the wind at your back.
    And a really low gear for the hills!"

    Chris Zacho ~ "Your Friendly Neighborhood Wheelman"

    Chris'Z Corner
    http://www.geocities.com/czcorner

    Report

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