Cycling Equipment · Public discussion

Kevlar tire size rant

Started by Blair P. Houghton · · Last activity · 3 posts · 371 views

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Cycling Equipment
Published
23 September 2006
Last activity
23 September 2006
Original author
Blair P. Houghton
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3
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  1. I have a Kevlar tire that I've been saving until
    my Bontrager collected enough cuts, and only now I'm
    discovering that while I can get it onto the wheel (at the risk
    of breaking my tire levers), I'm never going to be able to do
    so with a tube in it, and even if I do, there's no way the bead
    will spread to contact the rim.

    On the plus side, if I did get it on, it'd never come off,
    so it wouldn't need to hook into the bead...

    But honestly, there's no way I'm going to risk having to
    change this thing on the road. The most efficient way to
    do it would be to deliberately pretzel the rim, then re-true it.

    Anybody want a kevlar 700x23c? Just be sure you're
    willing to chew up your plastic levers, or chew up your
    rims with metal ones...and your rim-tape might be in
    danger as well...

    --Blair

  2. "Blair P. Houghton" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

    I have a Kevlar tire that I've been saving until
    my Bontrager collected enough cuts, and only now I'm
    discovering that while I can get it onto the wheel (at the risk
    of breaking my tire levers), I'm never going to be able to do
    so with a tube in it, and even if I do, there's no way the bead
    will spread to contact the rim.

    On the plus side, if I did get it on, it'd never come off,
    so it wouldn't need to hook into the bead...

    But honestly, there's no way I'm going to risk having to
    change this thing on the road. The most efficient way to
    do it would be to deliberately pretzel the rim, then re-true it.

    Anybody want a kevlar 700x23c? Just be sure you're
    willing to chew up your plastic levers, or chew up your
    rims with metal ones...and your rim-tape might be in
    danger as well...

    Kevlar what? Kevlar is added to many brands and models of tires.

  3. Quoted message said:

    I have a Kevlar tire that I've been saving until
    my Bontrager collected enough cuts, and only now I'm
    discovering that while I can get it onto the wheel (at the risk
    of breaking my tire levers), I'm never going to be able to do
    so with a tube in it, and even if I do, there's no way the bead
    will spread to contact the rim.

    The problem has nothing to do with the tire having kevlar, whether we're
    talking about the tire (mounting) bead, or in the casing. The issue is
    apparently a tire that's simply a bit too small, or a rim that doesn't have
    enough depth (a deep-enough inside well) to allow the tire to be mounted
    properly.

    There are kevlar-beaded tires that mount too-loosely, and some that mount
    too-tightly. Same thing for non-kevlar tires. Take it back to the store you
    got it from, along with the wheel, and see what they can do for you.

    --Mike Jacoubowsky
    Chain Reaction Bicycles
    www.ChainReaction.com
    Redwood City & Los Altos, CA USA
    "Blair P. Houghton" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

    I have a Kevlar tire that I've been saving until
    my Bontrager collected enough cuts, and only now I'm
    discovering that while I can get it onto the wheel (at the risk
    of breaking my tire levers), I'm never going to be able to do
    so with a tube in it, and even if I do, there's no way the bead
    will spread to contact the rim.

    On the plus side, if I did get it on, it'd never come off,
    so it wouldn't need to hook into the bead...

    But honestly, there's no way I'm going to risk having to
    change this thing on the road. The most efficient way to
    do it would be to deliberately pretzel the rim, then re-true it.

    Anybody want a kevlar 700x23c? Just be sure you're
    willing to chew up your plastic levers, or chew up your
    rims with metal ones...and your rim-tape might be in
    danger as well...

    --Blair

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