Review on GODESON Presta Tire Pressure Gauge: Accurate and Reliable Presta Valve Tire Pressure Measurement by Leandro Gray

I Like it - easy to use, view and reset. "probably" more accurate than my thumb pressure. I have been riding road and Mtn. bikes for 40 years, and relying on the old "thumb squeeze" to gauge how much air to put in my ties. My road racing tires (top psi 120) I try to go for rock hard, but with the varying widths of Mtn. bike tires, and training vs. racing, this little gem gives me a good idea of what 20 psi, vs. 22, vs. 24 feels like