Originally Posted by dunderhi

For the extreme in fat tire performance, you can go always move to tubulars with the 30mm wide Challenge Strada Bianca which is rated from 60 to 150psi. I have the 30mm clincher version on my gravel bike which max's out at 130 psi. I general pump them up to 110psi and forget about the pressure until they hit about 60-70psi.