CrankBrothers Power Pump Alloy Gold is compact yet powerful. This pump utilizes dual-piston technology for maximum efficiency, while the air switch allows you to choose between large volume or high pressure pumping. The carry bracket mounts nearly anywhere, keeps out dirt and holds a glueless patch kit (not included). The twin head easily fits both Presta and Schrader valves, while a simple twist locks the pump onto valve. This alloy power pump is easy to read while pumping, due to the analog pressure gauge ensuring proper pressure for your road or mountain tire. Specs: Weight - 173 grams; Length - 9.3 inches; Material - 6061-T6 aluminum barrels; Pressure - 130 psi (9 bar); Mounting Bracket - included; Air Switch - high volume/high pressure.