Two out of three isn't bad
I'd researched these inner tubes and liked the idea of them being resistant to punctures, whereby you can pick up a couple of thorns or nails and they'll hold pressure long enough, probably, to get you home. This so-called anti-explosion technology proved flawed when, after installing one (having carefully followed the instructions), inflating it to 50 psi and hanging my bike on the wall, the tube literally exploded all by itself. As it turned out the slightly unusual radial seam that these tubes have must have been defective because a good 5 x 3 mm rectangular hole had appeared in it. In fairness, I luckily had three tubes and the two tubes I fitted survived went on to survive a pretty harsh (hard-packed and gnarly) CX ride, so I'm giving them the benefit of the doubt.
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