The Lezyne Gravel Digital Drive Pro Floor Pump ...
is made from premium aluminum and designed specifically for gravel bikes and other mid-volume tires. The larger-diameter barrel pushes more air per stroke for faster inflation while still offering easy pumping action. ...
the Air Tool Big Bore Pump packs massive volume-per-stroke, and it features a head that still works with winter gloves on to make it perfect for backcountry winter fat biking.