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Thread: Til

  1. #1
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    Default Til

    Today I Learned that if you have a tire that won't seat properly, you can overinflate it and the bead will (may) pop right into place.

    Had a new 33 mm Challenge Gravel Grinder that just would not seat properly. I could see the unevenness along the bead, and riding the bike I'd experience a bumpy surge on rotation that was bad enough to abort the test ride. Looking it it on the stand, I could see it wobble side to side and surge up and down. Tried massaging it and reinstalling several times, always with the same result. Finally pumped it up to 80 psi (deflating later) and it works perfectly now.

    I'm sure many already know this, but there's gotta be other eejits out there like me who have only been changing bike tires for 4 decades.

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  3. #2
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    Quote Originally Posted by huskerdont View Post
    Today I Learned that if you have a tire that won't seat properly, you can overinflate it and the bead will (may) pop right into place.

    Had a new 33 mm Challenge Gravel Grinder that just would not seat properly. I could see the unevenness along the bead, and riding the bike I'd experience a bumpy surge on rotation that was bad enough to abort the test ride. Looking it it on the stand, I could see it wobble side to side and surge up and down. Tried massaging it and reinstalling several times, always with the same result. Finally pumped it up to 80 psi (deflating later) and it works perfectly now.

    I'm sure many already know this, but there's gotta be other eejits out there like me who have only been changing bike tires for 4 decades.
    it might happen like that, or it might pop off the rim and blow the tube

  4. #3
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    Quote Originally Posted by mstone View Post
    it might happen like that, or it might pop off the rim and blow the tube
    ... and bruise your bicep, give you temporary ringing of the ears, while splattering Stans sealant all over your family room, permanently staining your carpet and ceiling, ruin your favorite riding jacket, and infuriate your spouse.

    Hypothetically

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  6. #4
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    Quote Originally Posted by drevil View Post
    ... and bruise your bicep, give you temporary ringing of the ears, while splattering Stans sealant all over your family room, permanently staining your carpet and ceiling, ruin your favorite riding jacket, and infuriate your spouse.

    Hypothetically
    And terrifying your dog so much that just touching the bike pump after that made her run under the bed... Hypothetically...

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  8. #5
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    I have blown tubes like that when the bead was too far out, but not when it was too far in. My heart stopped racing, eventually, though the ringing in the ears will never cease.

    Doggo already hates the hissing sound that happens whenever I let air out of a tube or pump one up.

  9. #6
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    Quote Originally Posted by Sunyata View Post
    And terrifying your dog so much that just touching the bike pump after that made her run under the bed... Hypothetically...
    Who else has funny "hypotheticals"?

    Mine was a 3.25" Duro Crux tire on a 50mm carbon rim, set up tubeless with Stans. I must've had 40 psi in it for the tire to seat, and it was fine for 10 minutes. I set up my bike stand in the family room in front of the big TV to just run through my gears and tweak the shifting while eyeballing the rear derailleur from behind with the tire a few inches from my face, and BOOM! The tire blew off with so much force that it bruised my bicep (as I was reaching for the crank?) and the Stans splattered everywhere. I was able to scrub the ceiling, but the liquid latex of the Stans was impossible to get out of the carpet. My favorite Specialized windbreaker was not too far away, and the latex made that jacket gross, and even multiple hand and machine washings didn't make it better so I tossed it. Needless to say, wife was none too pleased

    TIL (well a couple of years ago) that the Duro Crux is not tubeless ready.

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