I always carry a tire pump with me, and I check my tires regularly when I travel. I currently have a Slime portable pump, and it works great as a portable compressor. However, I don't like the attachment mechanism. I have an RT with the 90 degree valve stems. To attach the pump I have to lay on...
I kinda like the idea of the USA Made CyclePump. I have a number of the smaller 12V units and when I use them, I feel the need to "stand back". Anyway, I've been waiting for some sort of deal or special so I could pick one up, even if the deal was enough to cover the shipping from the west...