topeak ninja master co2 fuelpackMounts under the Ninja bottle cage with interchangeable Cage Mount or use alone with Frame Mount. The CO2 FuelPack repairs punctures and inflates in a flash. Inflation head Presta Schrader valves, push to inflate Inflator material CNC Aluminum Mount Mount on Ninja Master+ series cages with included Cage Mount. Install on frame, handlebar stem, seatpost, or bottle cage mount with Frame Mount and included cable ties. ADDITIONAL FEATURES 2 threaded 16 g