Originally Posted by
jyossarian
but CO2 cartridges are good for getting you on your way quick as long as you have enough of them to fill a mtb tire.
Hunh!? CO2 cartridges come in 2 sizes. I believe they are 12g and 16g for mtb's. Sold at the bike shops anyways. Not sure about paintball style refills at SportMart type stores.