2-in-1 design combines CO? inflater and mini pump;The ultra-compact size easily fits in a jersey pocket or seat pack;A pump inflates tyres if you're out of CO?;Designed to work with both Presta and Schrader valves;For Presta valve use, turn the head anticlockwise and extend pump head;Includes two 16 g cartridges, mounting bracket and required hardware;72g;
