tight fit with foldable tires?
10-25-20, 06:01 PM
#26
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I've heard disputes about whether the folding bead actually stretches.
When my folding tires get a bit easier to mount, it's because the rubber over the bead wears a bit, the rubber becomes a bit less sticky/tacky and the mold release goo wears off.
The tires themselves seem to stretch just a bit, so a folding tire is easier to remount after it's been used for awhile. That's why I'm waiting a week or so before switching my new pair of Conti GP Classics from butyl to latex tubes. I don't want to risk pinching a pricey latex tube. But after 100 miles or so, it'll be easier to mount. Ditto, Soma Supple Vitesse, Schwalbe One and other good folders. They get a little easier to work with after a little use.
But I'm not seeing any indication that the bead itself stretches. I suppose some clever engineer has done this -- stripping the bead out of new and worn tires to measure them. But I haven't read any reports on the results.
When my folding tires get a bit easier to mount, it's because the rubber over the bead wears a bit, the rubber becomes a bit less sticky/tacky and the mold release goo wears off.
The tires themselves seem to stretch just a bit, so a folding tire is easier to remount after it's been used for awhile. That's why I'm waiting a week or so before switching my new pair of Conti GP Classics from butyl to latex tubes. I don't want to risk pinching a pricey latex tube. But after 100 miles or so, it'll be easier to mount. Ditto, Soma Supple Vitesse, Schwalbe One and other good folders. They get a little easier to work with after a little use.
But I'm not seeing any indication that the bead itself stretches. I suppose some clever engineer has done this -- stripping the bead out of new and worn tires to measure them. But I haven't read any reports on the results.
well documented.
the Kevlar bead is under decent tension when the tire is inflated. The phenomenon is widely accepted. It is why most folding bead tires are difficult to mount first time.
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