Bike Tyre CO2 Inflator Kit 16g Threaded CO2 Cartridges Pump Refill Gas Canisters
For fitting onto Schrader/Presta valve Screw inflator onto tyre valve. Make sure the valve is closed tide. Very small and light weight, so easy to carry the pump and two gas canisters. For use with Schrader and Presta Valves.