Floor pump power brought to an on-the-bike package CNC machined aluminum construction Ergonomic, CNC-machined aluminum handle Lezyne Flip-Thread chuck threads directly onto Presta and Schrader valves. Pressure relief valve to assist in unthreading pump from valve Oversized piston; 3mm diameter stainless steel wire foot peg High volume, MTB-specific design, 90 psi max SilverUPC/EAN/GTIN: 4712805977109