Originally Posted by Grasschopper

Yea dude you are seriously uninformed. We could only be so lucky that the CAAD9 came with SI as it is a seriously good BB and crank system...and if you have a SI BB bike there is an adapter for like $30 that will allow you to use any BB setup you wish.

I was trying to win a CAAD7 SI frameset with the AL SI cranks. This thing is 4 or 5 years old and is going to go well over $500. CAAD9 SI would be even stiffer in the BB and the cranks are lighter and stiffer than DA. Man that bike would rock....but then no one would buy the Six13.