Originally Posted by
InTheRain
I rode the 203 mile Seattle-to-Portland on my Cannondale Synapse carbon fiber (it's very similar to the Roubaix.)
I think your Synapse is similar to the CAAD8 (although you might have a sloping top tube?)... anyway, one thing I wondered about is whether I can get a 28c tire on the CAAD8. What do you use on the Synapse?