Originally Posted by
cyclebycle13
Had this for years. I also carry a CO2 cartridge with me, but my last couple of flats I was able to get the tire up to about 85-90 psi w/ the pump. I see they added a dust cap for the head, mine doesn't have that!
How can you tell what PSI your tires are? When I'm out and about I just try to inflate the tire as best I can and then I deflate/reinflate when I get home with a regular pump because CO2 leaks out faster than regular air.