Join Date: Jul 2001
Location: Citizen of Canada, Member of the World!
Programs: AA, AB, AC, AD, AE, AF, AG... you get the picture
Posts: 2,091
whenever I travel with my road bike, the spare CO2 cartridges (for flat repairs mid-ride) always travel with the check-in case. AC has never questioned it whenever i've mentioned it to them. And those little suckers can inflate a tire to 120 psi.