We've found this bang-for-buck co2 inflator from one of our suppliers. Super easy to use - just thread on your cartridge and push-to-inflate.

Specifications
Branded "Chaptah"
Alloy Construction
Push-to-Inflate
Fits presta or schrader valves
Includes 2x 16g threaded Co2 cartridges
Includes cartridge cover

Mfr Claimed Weight
17g (inflator only)

Note: This product cannot be sent internationally. This product can only be shipped within Australia.