I had a pair of Schwalbe clinchers (racing ralph and rocket ron) at just about 30 psi. I felt them bottom out a couple of times, but fortunately I got away with it. They seem to have dealt OK with the mud, but they really shine when it's a bit more gravelly.
I had a pair of Schwalbe clinchers (racing ralph and rocket ron) at just about 30 psi. I felt them bottom out a couple of times, but fortunately I got away with it. They seem to have dealt OK with the mud, but they really shine when it's a bit more gravelly.