Innovative floor pump with 3 stage design that achieves both high pressure and high volume in record time Innovative floor pump with 3 stage design that achieves both high pressure and high volume in record time Stage 1: Both barrels open - High volume with little effort Stage 2: Main barrel - High pressure up to 120psi Stage 3: Small barrel - Super high pressure up to 260psi Two tone padded ergonomic handles Wide, stable base with 4` easy to read analog gauge SmartHead DX1 automatically adjusts to fit Presta or Schrader valves without any extra bits, adapters, or switches Low profile air release button for fine tuning