* 2x 25g CO2 Cartridges* CNC machined aluminium alloy inflator* Inflates MTB tyre (29'' x 2.4C) up to 30psi from flat* Push down design to easily control CO?2release* Stainless steel internal pin* Soft touch button & neoprene sleeve to prevent freeze burn* Dual head nozzle, compatible with both Presta & Schrader valves* Thread on nozzle for airtight fit* Compatible with most threaded 16g & 25g CO2 Cartridges