Back in the day many pros rode custom frames, too--for example, Merckx's Colnagos and DeRosas with 57 cm top tubes. These days, a pro on a custom frame is the exception. I read that Tom Boonen's S-Works for Paris-Roubaix were custom, but how the geometry varied from a stock Tarmac escapes me.BroDeal said:It means fashion has changed as well as the economics of the bike biz. If you look at video from the 70's, you will find that they used even less seatpost than the 80's. Sometime in the early 90's an optimum was reached, and it has been a long descent to the clown bikes we have today.