Bontrager Air Support
Show flats no fear with Bontrager's Air Support pump. Built for the lower-volume tires on your commuter, cruiser or town bike, but can handle road and mountain tires, the Air Support is great for topping off your pressures or fixing that unfortunate flat. The auto-select head uses a fold-out lever to lock securely to Schrader or Presta valves for quick and easy inflation up to 80 psi.
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Had my first flat not close to home. This pump inflated my 700x38 gravel tire in just a few (30 or less) seconds. Very easy to use. Only down side is just with the style in general, in that you have to hold the pump at odd angles when inflating a tire on the bike.
So lousy, the tire does nothing but leak air even with the so called tight flip switch.