TheTopeak DA G features a larger barrel providing more air volume for MTB riders. Large integrated 1-1/8" diameter easy-to-read analog gauge provides the perfect inflation every time. Dual-Action (DA) doubles volume with each stroke and inflates tires up to pressure fast. Integrated dust cap keeps pump head clean and thumb lock lever insures air-tight seal.Dual-Action Technology Delivers air on the push and pull strokeLarge integrated 1-1/8 diameter easy-to-read analog gaugeSide mount bracket includedItem SpecificationsColorBlackCompressed Gas InflatorNoDefined ColorBlackIncludes GaugeYesIncludes Mount BracketYesLength253PSI60Valve CompatibilityPresta and SchraderWeight152 Topeak Mountain DA_G Frame Pump Frame Pump UPC: 883466017443