This top quality high pressure pump has two modes: standard inflation and easier setting of tubeless tires. The built-in reservoir stores a charge of air pressure to release all at once. High capacity for fast and easy inflation. Solid metal construction with CNC machined parts and a wide steel base for stability and stiffness. Extra long reinforced rubber hose. Pump head fits Presta, Schrader and Dunlop valves. Ergonomically designed tubular handle. Top-mounted 2.5" over-sized gauge is precise and east to read. More than 260psi/18bar capacity.