...” I still can’t bring myself to leave the frame pump at home. I carry two CO₂ cartridges with me and have never needed the second one. But I know that the first time I don’t take the pump that I’ll end up with two CO₂’s going “pffffsssstt” and end up with no way to inflate....”
I figure it is not that much of a hassle to carry a mini pump. After helping too many people who blew through their CO2 I prefer not to be stranded, especially if it means getting my wife to pick me up 40 miles from home!