Originally Posted by unworthy1

Yeah I've never seen a top tube do that, but it might be as-manipulated by the builder, not necessarily made that way by the tubing co. I can't tell from the pics, but are the lugs that join the top tube regular "round" cross section, or are they ovalized too? Is the top tube just flattened (dead flat) on top/bottom surfaces, or is there still a (large) radius to those surfaces, such as what we'd call an ovalized section: curved, but not round? I agree, it looks like a really nice CX bike! Hmmm, Georges raced for Molteni with Merckx...makes you wonder if the "D" has anything to do with DeRosa