Genuine innovations proflate comfort grip co2 inflator safe simple to use perfect for speedy inflation cycling plus genuine innovations moves the game on yet again the proflate elite offers even greater versatility as it is compatible with both threaded and non threaded 16g 20g cartridges for added value the proflate elite also includes not 1 but 2 x 16g non threaded cartridges the weatherproof nozzle uses hydraulic pressure to clamp onto schrader presta valves automatically but