Mountain TT G Twin Turbo with large integrated 1-1/8" diameter easy-to-read analog gauge pump fills both large volume fat bike tires and higher pressure MTB tires with ease. TwinTurbo technology uses both strokes to compress air to deliver high pressure output and saves time and effort. Integrated dust cap keeps pump head clean and thumb lock lever ensures air-tight seal.TT TwinTurbo Technology lets you pull to compress a large volume of air and push to inflate with high pressure to save 50% time and effortLarge integrated 1-1/8 diameter easy-to-read analog gaugeSide mount bracketItem SpecificationsColorBlackCompressed Gas InflatorNoDefined ColorBlackIncludes GaugeYesIncludes Mount BracketYesLength253PSI60Valve CompatibilityPresta and SchraderWeight227 Topeak Mountain TT_G Frame Pump Frame Pump UPC: 883466017450