Lezyne's Pressure Drive CFH features a versatile design combining the efficiency of a hand pump with the convenience of CO2. Innovative 2-in-1 inflation system works as a high pressure hand pump or CO2 inflator. Integrated steel-braided CO2 Flex Hose (CFH) doubles as a CO2 dispenser. Pump features a CNC machined aluminum body, piston and handle. Flip-Thread Chuck works on both Presta and Schrader valves. Kit includes: Pump with integrated CFH hose, one 16g cartridge and CFH mounting hardware. Adaptable configuration conveniently mounts to frame or slides into jersey pocket. Compatible with threaded CO2 only.