The Mountain Digital 2Stage shock pump features an innovative 2Stage pressure selector that lets you choose high pressure for filling suspension forks and shock units or high volume for inflating mountain bike tires. Integrated easy-to-read digital gauge provides accurate pressure readings up to 300psi / 20.7bar. A Pressure-Rite connector accepts Schrader valves and chuck head connector accepts Presta valves while the flexible hose takes stress off valve stems when inflating tires. The air release button makes setting proper pressure quick and easy.SmartHead ThreadLock Pressure-Rite ValveDigital Gauge reads up to 300 psi (reads in psi bar kg/cm2) CR2032 battery includedVolume Per Stroke: High Volume - 84 cc (for tires); High Pressure - 11cc (for suspension)Air release button to tuning