Customer Rating: 
Summary: quick change
Comment: I like the screw on/off mechanism for changing back and forth from schrader to presta. Nice if you have bikes with different valves in the family. The grey plastic chamber makes a nice seal over both of these valves too. It's a good pump to have on the road/trail for emergencies for a good price. Ride on!
Customer Rating: Summary: Space Saving and Effective
Comment: This pump works great for typical maintenance of your bike. Unless you are pumping up bike tires all day long, who needs a floor pump that takes up space and cost twice as much or more. This little guy is simple to use, feels sturdy in my hands, is easy to stow, and carries a good warranty. I would definitely recommend this pump.
Customer Rating: Summary: Estupenda
Comment: muy buena opción de compra, es de aluminio, compacta y con buena presión, se las recomiendo
Customer Rating: Summary: Great value, nice pump...lifetime warranty!
Comment: At about 10.5" there are smaller frame-mounted pumps out there, but the price is right for the Blackburn Mountain Air.
The pump output is great, and it feels sturdy while pumping. It's relatively easy to switch between Schrader valves and Presta valves by swapping the orientation of the two inner valve components.
This pump mounts to the frame through the water bottle holder screws, and the mount includes a removable Velcro strap. Two spare screws (with hex heads) are also included if you need them.
With a lifetime warranty, you can't go wrong. If you want a smaller frame-mounted pump with less output, try the Blackburn Shorty.
Customer Rating: Summary: Just what I expected
Comment: Even though I haven't used the pump yet I can tell that it is very lightweight so I can carry it with me all the time. Quality of it also seems to be very good. Bottom line, good relation of quality and price.
