With the Lezyne Micro Floor Drive HV, a compact high-volume pump, you get the benefits of a large floor pump in your backpack. The chamber, piston, base, and T-handle are made from CNC-machined aluminum, ensuring less weight, durability, and ergonomics. The foldable stainless steel footrest provides stability while pumping. The ABS Flip-Thread Chuck and the long hose make it easy to use with Presta or Schrader valves.