Originally Posted by
bikerjp
Check head tube height as well. I think the secteur might have a taller one making the bike feel smaller even with a similar size top tube. I normally ride a 58 and when I rode the 58 secteur it felt a bit small. I was told by the lbs that specialized bike can often size one size larger than other brands. Might be what you experienced.
makes sense...i'm normally a 52 but my 54 Roubaix fits me well