<p><b>Our Gauge Features</b></p><p>1.Reliable Mechianical Bicycle Tire Pressure Gauge for Presta Valve - Bourden tube mechanism, no batteries required, keep high accuracy and good performance for years; </p><p> 2.Legible 2.0",dail gauge with the special chuck for Presta Valves-Easy to read , and operate; </p><p> 3.Pressure range to 160psi/11bar–Dual scale with English and Metric, easy to ready for different people; </p><p> 4.Excellent integrated air valve botton-Durable,for tire deflation adjustments or reset the dial; </p><p>5. Comfortable size fits h andbag  pack or seat pack-Easy to carry; </p><p>6.Accuracy:100% inspection according to ANSI Grade B40.1 Grade B (middle ±2%); </p><p> 7.Suitable  for Presta Valve  only.</p><p><b>How to Use</b></p><p> </p><p>1.Use the pressure recommended by your vehicle's manufacturer, pls do not exceed the "max pressure" figure found on the tire sidewall. </p><p> 2.Check pressure when tires are cold and have sat for at least one hour.</p><p>3.Removing cap from inflation valve,place the gauge chuck firmly onto tire valve stem and press down evenly. If air escapes, apply more pressure until air stops escaping. </p><p> 4.Remove gauge from valve stem to read tire pressure. </p><p> 5.If tire pressure is too high, refit the tire pressure gauge to valve stem then gently press pressure release button until recommended pressure is reached. </p><p>6.If tire pressure is low, inflate to the recommended pressure then recheck. </p><p> 7.Store tire pressure gauge in a safe, dust free area.</p><p> </p><p><b>Get One For You or Your Friend as Gifts!</b></p>