Originally Posted by
ridethecliche
If you're riding 11km/day, looks like you'd be better off with a synapse for road riding. You can take it on longer rides too. It might not be as aero/light/stiff/fast as the CAAD9, but it'll be much more comfortable for the long haul.
+1
The riding position can be made more aero (even for free, as I mention above), and the frame is
definitely a smoother ride than the CAAD9, even the aluminum version (Synapse 6 and lower). Cannondale's sponsored teams have raced Synapses, too.