From the manufacturer

Mountain TT Twin Turbo pump fills both large volume fat bike tires and higher pressure MTB tires, as well as gravel bike 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.

Features

• Innovative TT Twin Turbo Technology lets you pull to compress a large volume of air and push to inflate with high pressure to save 50% time and effort
• Side mount bracket

Specifications

• Head: Presta / Schrader / Dunlop with integrated dust cap
• Thumb lock / Handle: Plastic
• Volume per stroke: 90.9 cc
• Size: 8.7 x 2 x 1.6"
• Barrel: Aluminum
• Capacity: 120 psi
• Added feature: Side mount bracket
• Weight: 192g