vailable in several sizes, the C02 cartridges are designed to inflate quickly a tire to a high pressure. Good compromise between weight and capacity, it will serve you during your long rides. Fit with all inflators in the market. Characteristics of 25 g cartridge pressures. MTB26” : 1 tyre = 4,2 bar 60 psi – 2 tyres = 2 bar 30 psi. Road 700c : 2 tyres = 6,2 to 7 bar 90 to 100 psi. Values given as an indication. Sold individually.