LEZYNE Twin Speed Drive CO2 Bicycle Tire Inflation System w/Cartridge

CNC machined aluminum dispenser with brass internals. Slip-on valve operation allows for quick inflation. Twin Slip-Fit head presses onto Presta or Schrader valves. Two-piece head allows for easy O-ring replacement. Neoprene sleeve insulates hand from cold during discharge. Compatible with threaded CO2 cartridges. Includes one 16g or 25g cartridge.