Originally Posted by
vespasianus
In theory yes [carbon frames maintain their dimensions], but I have never seen any data with frames sitting in a hot or cold garage after 10 years.
A hot or cold garage isn't going to warp a carbon frame. Carbon fiber composite's thermal stability is very high.
Originally Posted by
vespasianus
At the same time, I can say that measuring head and seat angles of bikes - all materials - will show variations in said angles. Easy to do and much more common with lower end brands that are most likely using open mold frames and just lying about the numbers. Bring a protractor to a bike shop.
I don't understand how a carbon frame could be made in an
open mold. As I understand the process, frame molds are two-part clamshells (i.e., closed). The geometry of a frame made in a such a mold ought to be consistent, as the mold's geometry obviously doesn't change. Unless I'm missing something.