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Aaaarrrgh...pinch flat

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Road Cycling
Published
19 December 2005
Last activity
23 December 2005
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  1. While _WALKING_ my bike up a flight of _THREE_ stairs in my _HOUSE_...

    I've gotten so used to handling it with the loaded panniers and
    handlebar bag (which according to the airport scale weighed the same as
    the bike) over the last week that I was being somewhat more aggressive
    than necessary with bouncing it up the stairs for the weight that was
    present (or more precisely the weight that wasn't present) and it came
    down on the edge of the stair just right to go *hisssssss* flat.

    To make matters that much worse I'd been thinking the tire pressure was
    rather low and as soon as I got the thing parked was planning to go
    upstairs to get my pump and do something about it.

    And tomorrow is one of those rare days when I actually need to use the
    bike for transportation rather than play. Which means getting it fixed
    at a street stall rather than the shop and that means I'll still be
    having to do all the pumping by hand cause the guy across the street
    doesn't have an adaptor for presta valves on his air compressor.

    Meh.

    -M

  2. In article <[email hidden]>,

    () said:

    While _WALKING_ my bike up a flight of _THREE_ stairs in my _HOUSE_...

    If it's any consolation, which it almost certainly isn't, the P+nct+r+
    Fairy visited my trike while it was being transported home in the back
    of my car last weekend.

    Odd, that.

    --
    Dave Larrington - <http://www.legslarry.beerdrinkers.co.uk/>
    They came for Dani Behr; I said: "she's over there, behind the
    wardrobe".

  3. Perhaps a patch kit?

    Do it yourself rahter than the street stall?

  4. catzz66 said:
    Quoted message said:

    While _WALKING_ my bike up a flight of _THREE_ stairs in my
    _HOUSE_...

    I had a rash of flats including pinch flats last summer until I
    started airing up my tires before every ride.

    At more than 45 seconds a (prevented) pop?!?

    Oh the hupumpity...

  5. Quoted message said:

    While _WALKING_ my bike up a flight of _THREE_ stairs in my _HOUSE_...

    I had a rash of flats including pinch flats last summer until I started
    airing up my tires before every ride.

  6. catzz66 said:
    Bill Sornson said:


    Quoted message said:

    [email hidden] wrote:

    > While _WALKING_ my bike up a flight of _THREE_ stairs in my
    > _HOUSE_...

    At more than 45 seconds a (prevented) pop?!?

    Oh the hupumpity...

    OP: "...I was being somewhat more aggressive
    than necessary with bouncing it up the stairs..." and "...I'd been
    thinking the tire pressure was
    rather low..."

    I don't guess it matters whether she was inside or out.

    Oh fer gawdsake I was replying to (and agreeing with) YOU. Why did you snip
    what YOU WROTE?!?

    I'll type slowly: there was a thread recently (on here or tech) about
    "bothering" to pump up tires before rides; most agreed it takes less than a
    minute, soup to nuts.

    Then the OP wrote the above.

    YOU replied: "I had a rash of flats including pinch flats last summer until
    I started airing up my tires before every ride."

    So then, in unannounced SARCAMS (copyright?) mode, I wrote "At more than 45
    seconds a (prevented) pop?!? Oh the hupumpity..."

    Sigh.

    BS

  7. Bill Sornson said:


    Quoted message said:
    Quoted message said:

    While _WALKING_ my bike up a flight of _THREE_ stairs in my
    _HOUSE_...

    At more than 45 seconds a (prevented) pop?!?

    Oh the hupumpity...

    OP: "...I was being somewhat more aggressive
    than necessary with bouncing it up the stairs..." and "...I'd been
    thinking the tire pressure was
    rather low..."

    I don't guess it matters whether she was inside or out.

  8. Bill Sornson said:
    catzz66 said:
    Bill Sornson said:

    >[email hidden] wrote:
    >
    >
    >>While _WALKING_ my bike up a flight of _THREE_ stairs in my
    >>_HOUSE_...
    >
    >
    At more than 45 seconds a (prevented) pop?!?

    Oh the hupumpity...

    OP: "...I was being somewhat more aggressive
    than necessary with bouncing it up the stairs..." and "...I'd been
    thinking the tire pressure was
    rather low..."

    I don't guess it matters whether she was inside or out.

    Oh fer gawdsake I was replying to (and agreeing with) YOU. Why did you snip
    what YOU WROTE?!?

    I'll type slowly: there was a thread recently (on here or tech) about
    "bothering" to pump up tires before rides; most agreed it takes less than a
    minute, soup to nuts.

    Then the OP wrote the above.

    YOU replied: "I had a rash of flats including pinch flats last summer until
    I started airing up my tires before every ride."

    So then, in unannounced SARCAMS (copyright?) mode, I wrote "At more than 45
    seconds a (prevented) pop?!? Oh the hupumpity..."

    Sigh.

    BS

    Bill, try decaf. =] This is the first pinch flat I've heard of that
    occurred off the road. No offense meant or taken.

  9. "Bill Sornson" wrote: (clip) I wrote "At more than 45 seconds a
    (prevented) pop(clip)"
    ^^^^^^^^^^^^^^^
    If typing more slowly is insufficient, maybe my blue pencil will help. The
    interjection of "(prevented)" in your play on words may have broken the
    rhythm enough to obscure the joke (good one, by the way.) I'll bet Marian
    missed it.

  10. catzz66 said:
    Bill Sornson said:
    catzz66 said:

    Bill Sornson wrote:

    >> [email hidden] wrote:
    >>
    >>
    >>> While _WALKING_ my bike up a flight of _THREE_ stairs in my
    >>> _HOUSE_...
    >>
    >>
    > At more than 45 seconds a (prevented) pop?!?
    >
    > Oh the hupumpity...
    >

    OP: "...I was being somewhat more aggressive
    than necessary with bouncing it up the stairs..." and "...I'd been
    thinking the tire pressure was
    rather low..."

    I don't guess it matters whether she was inside or out.

    Oh fer gawdsake I was replying to (and agreeing with) YOU. Why did
    you snip what YOU WROTE?!?

    I'll type slowly: there was a thread recently (on here or tech)
    about "bothering" to pump up tires before rides; most agreed it
    takes less than a minute, soup to nuts.

    Then the OP wrote the above.

    YOU replied: "I had a rash of flats including pinch flats last
    summer until I started airing up my tires before every ride."

    So then, in unannounced SARCAMS (copyright?) mode, I wrote "At more
    than 45 seconds a (prevented) pop?!? Oh the hupumpity..."

    Sigh.

    BS

    Bill, try decaf. =] This is the first pinch flat I've heard of that
    occurred off the road. No offense meant or taken.

    Aaaaaaaaaaaaaaaaaaaaaaaccccccccccccccccccckkkkkkkkkkkkkkkkkkkkkkkkkggggggggggghhhhhhhhhhhhhhhh.

    OK.

  11. Colorado Bicycler said:

    Perhaps a patch kit?

    Do it yourself rahter than the street stall?

    I have a patch kit. I have even practiced patching. However, I have
    yet to become any good at patching and within 100 kilometers the patch
    has inevitably come loose enough to be letting air escape again.

    Current score in the last 3000 miles:
    front tire - 2 pinches
    rear tire - 3 pinches, 4 punctures, 2 badly patched by me, 1 faulty
    valve

    I can't do a whole lot about the punctures (other than, perhaps, not
    ride my bike in Guangdong since 3 of the 4 happened in that province),
    or the bad valve (though the shop replaced that tube for me free of
    charge) but it is especially humbling that this flat which was caused
    by low pressure came at a time when I KNEW my tires were low and was
    already planning to get the pump and do something about it. I was
    already in the downstairs hallway, I just needed to park my bike and go
    upstairs!

    -M

  12. In article <[email hidden]>,

    Quoted post said:


    Colorado Bicycler said:

    Perhaps a patch kit?

    Do it yourself rahter than the street stall?

    I have a patch kit. I have even practiced patching. However, I have
    yet to become any good at patching and within 100 kilometers the patch
    has inevitably come loose enough to be letting air escape again.

    I've come to the conclusion that for in-the-field repairs it's best to
    just replace the punctured tube with a new or previously repaired tube,
    take the punctured tube home, and patch it there. Patches seem to fare
    better when they get (or at least, the cement gets) some post-op rest &
    recovery time before being put to work.

    I really prefer to do patching while comfortably indoors, seated on
    a proper chair, with a table to put stuff on where it won't get lost,
    and with controllable lighting. These are the conditions I find most
    conducive to successful patching jobs.

    After a number of patched tubes have been accumulated, it's possible
    to rotate through them, like the old grandfather-father-son computer
    tape backup regimen. So one gets usable tubes in the tires, a usable
    spare tube or two to take along, and more usable spare tubes at home.

    cheers,
    Tom

    --
    -- Nothing is safe from me.
    Above address is just a spam midden.
    I'm really at: tkeats [curlicue] vcn [point] bc [point] ca

  13. Tom Keats said:

    I've come to the conclusion that for in-the-field repairs it's best to
    just replace the punctured tube with a new or previously repaired tube,
    take the punctured tube home, and patch it there. Patches seem to fare
    better when they get (or at least, the cement gets) some post-op rest &
    recovery time before being put to work.

    I heartily agree. That's my usual SOP, too. The few times I've been
    forced to try to patch at the side of the road have not been
    particularly stellar -- generally requiring me to pump up every few km.

    I try to carry three 'known good' tubes when I take my short (1 week)
    tours. Natually, the better prepared you are to handle a flat, the less
    likely you are to *have* a flat.h

  14. Brian Huntley said:
    Tom Keats said:

    I've come to the conclusion that for in-the-field repairs it's best to
    just replace the punctured tube with a new or previously repaired tube,
    take the punctured tube home, and patch it there. Patches seem to fare
    better when they get (or at least, the cement gets) some post-op rest &
    recovery time before being put to work.

    I heartily agree. That's my usual SOP, too. The few times I've been
    forced to try to patch at the side of the road have not been
    particularly stellar -- generally requiring me to pump up every few km.

    I try to carry three 'known good' tubes when I take my short (1 week)
    tours. Natually, the better prepared you are to handle a flat, the less
    likely you are to *have* a flat.h

    You'd think... but ever since I started learning proper techniques (per
    this group's recommendation) such as checking inflation, how to use
    tire irons, and how to patch, my number of flats have shot dramatically
    UPWARDS.

    First 1000 miles - 2 pinch flats (simultaneously from the same dumb ass
    manuever in broad daylight)
    Second 1000 miles - 2 pinch flats (one on fresh inflated new tires, one
    at night)
    Third 1000 miles - 1 pinch flat, 4 punctures, 1 faulty valve, and 2
    mis-patches.

    And all of those have happened in the last month! Either in the prep
    for my first tour, during my tour, or after.

    I had no flats in the 6 weeks (stolen) that I had my first road bike.
    I had no flats during the 3 months (stolen) I had my first Chinese road
    bike.
    In the nearly 6 months (sold) I had my second Chinese road bike I got
    two flats in the last week of owning it.
    In the nearly 3 months I've had this bike I've had more mileage than
    those three bikes put together (and much skinnier tires) so I'd sort of
    expect more flats but still ... I'm getting a huge number ever since
    learning how to do something about it.

    -M

  15. Quoted message said:


    You'd think... but ever since I started learning proper techniques (per
    this group's recommendation) such as checking inflation, how to use
    tire irons, and how to patch, my number of flats have shot dramatically
    UPWARDS.

    First 1000 miles - 2 pinch flats (simultaneously from the same dumb ass
    manuever in broad daylight)
    Second 1000 miles - 2 pinch flats (one on fresh inflated new tires, one
    at night)
    Third 1000 miles - 1 pinch flat, 4 punctures, 1 faulty valve, and 2
    mis-patches.

    And all of those have happened in the last month! Either in the prep
    for my first tour, during my tour, or after.

    I had no flats in the 6 weeks (stolen) that I had my first road bike.
    I had no flats during the 3 months (stolen) I had my first Chinese road
    bike.
    In the nearly 6 months (sold) I had my second Chinese road bike I got
    two flats in the last week of owning it.
    In the nearly 3 months I've had this bike I've had more mileage than
    those three bikes put together (and much skinnier tires) so I'd sort of
    expect more flats but still ... I'm getting a huge number ever since
    learning how to do something about it.

    -M

    I think that many (most?) of us have experienced flats in clusters. I
    have no idea if that is a result of some random process or not. I seem
    to get flats in clusters of three and then no problems for a long time,
    repeat cycle, repeat etc.

  16. Quoted message said:
    Colorado Bicycler said:

    Perhaps a patch kit?

    Do it yourself rahter than the street stall?

    I have a patch kit. I have even practiced patching. However, I have
    yet to become any good at patching and within 100 kilometers the patch
    has inevitably come loose enough to be letting air escape again.

    Current score in the last 3000 miles:
    front tire - 2 pinches
    rear tire - 3 pinches, 4 punctures, 2 badly patched by me, 1 faulty
    valve

    One thing that might help, your patching, is carry a spare tube, when
    you get a puncture, or even a pinch, swap the tubes, ALWAYS check inside
    the tire rim to make sure that whatever caused the puncture or pinch is
    no longer present. Now you have a good tube, and a flat spare... At the
    first convenient point, patch the spare, then give it 24hours to cure,
    then pack the spare away, it's now your working spare. When you get the
    next puncture, you again swap tubes, just now your patched spare, is the
    tube installed. With a pinch, you need to make sure the patch covers
    both holes.... Considering that pinches are preventable, that's the
    best solution.....

    W

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