i looked into it quickly cos i was curious, seems they generally like 50-60 psi, but theyre running much thinner tyres than us, 1.5" powerblocks, and someone did comment the 1.95 version was super squishy. with the kevlar bead version some are running higher pressures cos theyre rated for up to 110 psi.
thinking how fatter tyres feel slower and more sluggish at lower pressures than a thinner one at the same pressure, im assuming that a really thin tyre would hold its structure a lot better at a lower pressure as theres less tyre to flop around and squish about