• I'll just go and pump up gp4ks to 200psi. I'm sure that won't go wrong

    It probably won't, the rated maximum is set well below the proof pressure. However, he said twice what you ride, not twice the rated maximum. Unless you're very heavy, you won't be riding GP4000 at anywhere near their rated maximum

  • Nah he also said

    perform the 2 x over-max-pressure test

    The pressure you ride at is neither a maximum nor a minimum, it's exact. But yes he did say the pressure you ride at, I was just being facetious

  • I thought the same thing when I read what he'd written. I wonder how many idiots ruined their tyres/wheels after skimming that article :)

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