Specifications: 

Mini- bicycle gauges to check your pressure on Presta valve tires. Now Introducing: Low pressure bicycle tire gauges for Fat Bike Tires. These units are perfect for Fat Bike tires requiring low pressure for a better ride.

• Presta Valve only
• 0-30 psi
  
• Low Pressure gauge is perfect for Fat Bikes or low pressure Tubeless Tire configurations
• Retains pressure Reading when removed from valve
• Tire gauge has a fully geared, precision movement with bronze Bourdon tube. Unlike piston-plunger type gauges, the Bourdon tube movement is not affected by changes in temperature, humidity, or altitude.