Originally Posted by BoomMcNasty

I've been doing some comparing between the caad 10 5 and 3. I have a couple of questions and where else better to ask them than here.

1. Why is it that the only 2013 caad 10 with a carbon seat post is the 3?

2. Weight aside, which crank do you think is better? The 5 has the FSB alloy crank and the 3 has the SLK carbon crank. I weigh about 175lbs and want the bike to be durable 1st and light weight 2nd.

Thanks in advance, David