With the Lezyne Micro Floor Drive HVG, a compact high-volume pump, you get the advantages 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 long hose make it easy to use with Presta or Schrader valves. The design is voluminous and specifically tailored for mountain biking.