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Old 12-07-08, 08:51 PM
onitsuka tiger
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Join Date: Apr 2008
Location: southern california
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Bikes: 60's mercian track

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tire PSI max's...whats the difference?

vittoria zaffiro pro's run a max psi of 60....

its my understanding that an underinflated tire is a slower tire (more rolling resistance), does that mean a maxxed out zaffiro at 60 psi is slower than a 140psi max tire run at 100psi? in other words, the higher the max psi, the faster the tire?

im a bigger guy (190, 6'0) and 60 psi max just seems....low.
enlighten me please.
....and yes im working on my weight. hah
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