CrankBrothers Power Pump Pro Black with Gold Accents is the smallest pump available with a gauge. The most innovative feature of all Crank Brothers Pumps is the high volume / high pressure mode. This simple turn of a knob changes the pump volume. You start in the high volume mode to get a lot of air in at first and then switch over to the high pressure mode to make it easy to get up to your desired pressure. This lightweight dual-piston alloy mini-pump fits Shrader and Presta valves and has a pressure range of 0 - 160 psi. Specs: Weight - 120 grams; Length - 6.9 inches; Material - 6061-T6 aluminum barrels; Pressure - 115 psi (8 bar); Air Switch - high volume/high pressure; Mounting Bracket - not included; Patch Kit - not included.