In general, it'd be good if they'd rate the pump as "force at handle to tire pressure", especially for mini pumps. I've bought a few mini pumps and they always say "up to xxx psi", but that may assume a gorilla is using it. I doubt I can reach 90 psi with my current mini pump that says up to "120 psi". I'm an average guy, but between poor ergonomics and fatigue and less than hulk strength, I'm never satisfied with mini pumps (I guess that's why they sell CO2 cartridge inflators).