Thread: What Tire Pressure?
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Old 08-14-11 | 07:37 PM
  #21  
Dellphinus
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From: Illinois (near St. Louis)

Bikes: Specialized Expedition Sport, Surly LHT

Originally Posted by tsl
I use the chart at PSI Rx as a starting point and experiment from there.

There's also a calculator based on it here.
+ 1 on PSI Rx. I run 35's at 80 PSI. Sidewall max is 110. MUCH more comfortable ride, and no noticeable difference in speed or perceived effort.
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