Every 2 weeks I check and pump up 2 bikes, 1 motorcycle, a golf cart and an SUV. There are 14 tires in total. Easy to inflate, painful to test. I have a 6 thermometer. Some only go up to 40 pounds (useless on bikes), some are awkwardly built, most lose air when I try to get accurate readings. Enter my new sensors. They have a deep and narrow bore that is ideal for valves. The air escaping from the tire goes directly to the sensor, not into the atmosphere. Nothing comes out. I'm glad I read theβ¦