Originally Posted by
AdamDZ
From my non-scientific observation - which might be off - is seems that the carbon Sirrus has a frame that is very roadie-like and very similar to the Rubaix.
Not off at all, the Sirrus "Limited" (last year they called it "Pro")
is a Roubaix (SL2) frame ... completely 'roadie'! It's only problem (one shared by this year's Giant Rapid Composite, which is a Defy Composite frame w/flat bars [don't think it's available in the states]) is that it doesn't have modified geometry (read: slightly longer effective t/t) to account for the absence of drop bars.