23's are what you want. I'm a fatty (180lbs) and ride 23 front 25 rear. Do you race or rec ride? Clinchers or tubular? Also, just cause a tire says 100-130 psi for example doesn't mean you can't ride at your weight at 90 psi. Fool around with tie pressure to see what feels best for you. There is a chart that will tell you pressures based on rider weight. But it's not the bible. I'll see if I can dig it up.
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