this post was submitted on 09 Sep 2023
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Bicycles
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That’s unacceptable, this is a manufacturer defect and is no way caused by faulty inflation, which isn’t a thing. If it breaks, it was defective, simple as that.
If you need to do this and this so it doesn’t break, find a better brand.
Its quite possible to have a pinch in the tube which will fail during inflation. In my experience, thats all brands; a tube simply can't withstand 100 psi at a pinch point. This failure is not that, however. This is almost certainly a manufacturing defect, as metioned.
That explains why I kept getting punctures on my old tubes at 90psi 😮 must've been fitting them in a dodgy way after previous repairs
Or as you said, old tubes. Lots of factors, but a good tube will work a fold out unless it’s literally pinched between the rubber and rim.
A fold will work itself out, if you pinched it between the rubber or rim, nothing you could do would prevent it from rupturing other than reinstalling it correctly.