SKS-Germany Airboy Co2 Bicycle Mini Pump (73 psi without CO2) Presta Tires can be inflated manually or with the single use CO2 cartridge that is supplied Pressure control regulator helps the user release just the right amount of Air Compatible with Presta or Schrader valves Pump alone has 87 psi maximum capability / Frame mount included MADE IN GERMANY ! Tires can be inflated manually or with the single use CO2 cartridge that is supplied Pressure control regulator helps the user release just the right amount of Air Compatible with Presta or Schrader valves Pump alone has 87 psi maximum capability/Frame mount included MADE IN GERMANY !