A CO2 cylinder is a portable, mini-sized cylinder used to inflate a bicycle.http://www.midstarcylinders.com/aluminum-gas-cylinders/beverage-co2-cylinders/15lb-co2-cylinder.html
A CO2 cylinder is a portable, mini-sized cylinder used to inflate a bicycle.http://www.midstarcylinders.com/aluminum-gas-cylinders/beverage-co2-cylinders/15lb-co2-cylinder.html