• Recommended PSI starting point for 25c tyres is your weight in kg + 5. I will do the math for you; 67 PSI is more than enough.

    For 28c recommended PSI should be your weight in kilos.

  • I know but they are so comfortable there's literally no down side to 80psi and I get lower rolling resistance, right?

    I ran 60psi in my gp4000s non-tubeless 25c's I was running before. Above that they were too harsh and I never had any pinch flats or other issues.

  • If it works for you alles es gut.

    I won't open the particular can of worms that argues lower PSI is actually faster...

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