Originally Posted by
achoo
At the OPs weight, 25s or even 28s would be a much better tire choice.
I'm 200+ and the only time I use 23s is on my front tire for actual races on smooth pavement - I always have a 25 on my rear wheel.
+1. Heck, I'm all of 160 lbs and still think that 28mm+ tires are the way to go. Haven't had a pinch flat in years, and the ride is way nicer.