I carry and use the Specialized AirTool MTB on my 650bx48 bike, and it takes pressure up pretty quick in those big tires. I don’t have exact figures, but I’ve dealt with slow leaks, so I know I can go from unrideably low PSI to just-sub-optimal PSI in about 60 strokes, so maybe something like 20psi up to 45psi. It’s quick, anyway.
AirTool MTB pump action is great, and the machining offers good grip so I save effort there, too. It’s also a super-clean, sleek design which I think looks sharp. The main fault is that it is a rigid, lock-on head rather than a more ergonomic hosed head, but for infrequent and emergency use, I’ll take rapid deployment and filling over the hose.
I’ve several Lezyne Road Drive as well as an AirTool Road (on my 35c gravel race bike), so those are my points of comparison.
https://www.specialized.com/us/en/ai...ext=47218-3000