Joined: Apr 2010
Posts: 13,501
Likes: 995
From: Boston-ish, MA
Bikes: 72 Peugeot UO-8, 82 Peugeot TH8, 87 Bianchi Brava, 76? Masi Grand Criterium, 74 Motobecane Champion Team, 86 & 77 Gazelle champion mondial, 81? Grandis, 82? Tommasini, 83 Peugeot PF10
I second the 28mm idea. However I'm surprised your 25's measure out at 20. Another thread was discussing tire widths just yesterday, so I measured all mine. My Paselas come out very close to their spec. Maybe Specialized was skimping on casing material.
__________________
Real cyclists use toe clips.
With great bikes comes great responsibility.
jimmuller