Originally Posted by
dwilbur3
I've been told (by an LBS guy who seems to know his stuff) that a mini pump (or CO2 or that matter) really are only good for getting enough air in the tire to get you home. Once home you can pump it up right. If your ride demands better than that, you should step up to a frame pump.
I think that's completely backwards. 120psi with my HPX takes a good amount of time and a lot of energy. I get bored with the pumping process before I get to even 100psi but at least it's good enough to get me home. On the other hand one 16 gram CO2 gives me 120psi in about 3 seconds with no effort.
He's right about 1 thing. If you inflate a tire with CO2 it'll definitely be soft the next day and you'll have to top it up with your floor pump.