You don't need 120psi if that what you mean.
70psi rear and 50psi front with 28mm work for me.
Yes Scobes, I know, but even 70psi is quite a bit more the 25psi mtb
I think quite a few on here have run Crests at road-ish pressures without issue.
AFAIK it's Iron Cross that really, really will not take more than 40psi in any tyre config.
@umop3pisdn started
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You don't need 120psi if that what you mean.
70psi rear and 50psi front with 28mm work for me.