Originally Posted by
Jughed
Limited data set here - but my CF cyclocross frame, Giant TXC, has dropped stays and a "flexy" seat post and it's the harshest bike I've ever ridden. Even when it has my cross/gravel tires installed and running lower pressures.
The TCX has a round post, doesn't it? If so, replace it with the lightest one you can find. Some carbon posts are way overbuilt.