Sks airchamp pro co2 mini pump with 16g cartridge a further development of a sks classic the airchamp pro is a co2 inflater offering easy single hand operation with excellent dosing the lock prevents unintended triggering the reversible valve insert allows use with prestaschraderdunlop valve connections airchamp pro is suitable for both 16g unthreaded and threaded cartridges includes mount for under bottle cage and a 16g co2 cartridge valve av sv dv length 150mm weight 120g no