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 Technology Delivers air on the push and pull stroke Large integrated 1-1/8" diameter easy-to-read analog gauge Side mount bracket included Length: 253mm Valve Compatibility: Presta and Schrader PSI: 60 PSI Includes Gauge: Yes Compressed Gas Inflator: No Includes Mount Bracket: Yes Weight: 152g. Color: Black