Review on Zefal Twin Bicycle Tire Gauge by Cris Drew

I love the design of this gauge. It is ready to use with Presta or Schrader valves without any adjustment. It stores pressure readings so you can focus on making a secure connection to the tire valve without having to read the pressure gauge. It is also very light, light enough to take with you when you travel. Doesn't need a battery. It seems accurate enough for this purpose and I'd rather have this easy-to-read gauge than a more accurate one that I have to read while holding it on the valve stem. Other reviewers said they stopped working, which of course would be a problem. Mine has been running flawlessly for over a year now. If it breaks I would look for another sensor with the same characteristics.