This is a wonderful portable bicycle pump. The beauty in the design is the hose stored inside the pump and the ease to fill your tires. After owning Park, Planet Bike and Blackburn portable pumps and having difficulty sealing the pump to the tube stem to fill the tube it was refreshing to find the Lezyne pump.
This is a terrific pump and versatile as it supports both presta and schrader valves. I was able to assist another bike rider on a group ride who needed air to fill his presta valve tubes and did not have a schrader adapter.
This is a fabulous travel pump. I usually use CO2 when I'm riding around my home town, but I take two or three cycling trips a year and since you can't fly with CO2 and I can't count on getting any where I'm going, I use this every time I travel. It is surprisingly effective pumping up road tires to good pressure. In fact, it can easily pump the tire to considerably higher pressure than is optimal.
Since it's got a nice long hose and a little tab to put your foot on, it's easy to pump up the tire without worrying about damaging the value (which is a common problem with most frame mounted pumps).
And it's amazingly light. It's easy to through in your bag, and even if you're a weight weanie, you can easily carry this pump on your bike without feeling like you're lugging a lot of extra weight.
Love this pump. Gets plenty of air in tire so if I get a flat, I am able to comfortably finish my ride. Stylish, too. I have the black, longer model and it looks nice on my frame. I did have my stem break off and get caught in the pump like another reviewer (think pin stuck) but I still like it and will use it.
Nice finish. Well constructed. The tripod stance makes it very stable. Ring around the face useful since I have trouble reading the dial. Neat touch with the QR to release the pump head.
Only issue is that I tend to grip w my hands a little wider and have worked the end caps loose...but they push right in.