It's a pain to have two different pumps for road and trail. But now you don't have to worry about it. The Crank Brothers Power Pump Pro bike pump features an ultra-compact design with an air pressure guage, both presta or Schrader heads, and a knob to let you choose either high volume or high pressure, so you'll only need one pump no matter where you go.
Smallest pump you can get with a pressure guage
Dual piston technology for maximum pumping efficiency
Simple control knob lets you choose between high pressure or high volume
Schrader and presta valve heads with no complicated hardware to choose between the two