This kit Includes our versatile Microflate Nano, with Twist-to-Inflate technology (The Only CO2 inflator that fits inside Disc/Aero wheels). The kit also Includes two 16 gram threaded CO2 cartridges, a small patch kit and two tire levers. All these items come in a new, large seat bag. The Microflate NANO fits Presta or Schrader valves and all Genuine Innovations threaded cartridges (12, 16, 25 gram threaded CO2 cartridges & Big Air!), with the exception of the 45 gram.