I ran Alpha 340s for a couple of years as clincher with 100+psi no worries. They make a bit of a pop as the tire seats itself on the rim but other than that not an issue.
Thanks - just had an image of the tyre ejecting itself as I come flying down a mountain
@MBroady started
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I ran Alpha 340s for a couple of years as clincher with 100+psi no worries. They make a bit of a pop as the tire seats itself on the rim but other than that not an issue.