Some of the better tires are rated at 51 psi. 60 isn't that much above 51.
The numbers make more sense when you convert to bar pressure.
1 bar = 1 atmosphere = 14.7 psi
2.5 bar = 36 psi
3 bar = 44 psi
3.5 bar = 51 psi
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
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