Originally Posted by
oldbobcat
But I observed the wheel shifting forward slightly as the seat post (27.2 mm) leaned back farther as I put weight on it. My impression was that the top tube was bowing from a leverage effect at the seat lug.
So you have a full-suspension bike without paying for a full-suspension bike!
Originally Posted by
oldbobcat
Carbon fiber is a very strong material, but the resins and techniques that bind it are a mixed bag. Interestingly, when Trek started offshoring their 500-level Madones, they chose Giant as their fabricator. I've never heard of problems with Trek carbon fiber.
I've never heard of problems with Cannondale carbon fiber or for that matter, carbon fiber from most brands either. I have in fact heard of problems with Trek carbon fiber frames.