Thread: PSI for Studded Tires
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Old 11-08-12 | 11:17 AM
  #4  
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ThermionicScott
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From: CID

Bikes: 1991 Bianchi Eros, 1964 Armstrong, 1988 Diamondback Ascent, 1988 Bianchi Premio, 1987 Bianchi Sport SX, 1980s Raleigh mixte (hers), All-City Space Horse (hers)

120psi makes sense for 700x23s but not 700x40s. Check the sidewall markings and use your best judgment. Google "frank berto psi" for a somewhat scientific guide.
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