Birzman Zacoo Co2 bottle - 16g. 16g threaded cartridges with a CNC finished body.
SAVE YOUR SHOULDER.
Instead of wearing your shoulder out with that old mini-pump, inflate your tire in seconds with the Birzman Roar CO2 Inflator. It's compact, sleek, and compatible with both Presta and Schrader valves, so you'll never be caught unprepared, and comes with three 16oz cartridges so you'll be ready for all the flats you hopefully never get.