Flat tire bummer? Get back in the saddle fast with CO2. The Ultraflate Plus is sleek, compact and uses compressed CO2 to fill tires fast. The thumb lever allows you to control airflow and it has a safety lock to prevent accidental discharge. The Ultraflate Plus comes with a 16-gram non-threaded CO2 cartridge, is compatible with a wide range of other types and sizes, and works with Presta- and Schrader-valve tubes.