Originally Posted by
carleton
Notice the 1-bolt seat clamp. The single bolt goes laterally through the clamp. It's simple and easy to adjust, but those do not hold the saddle from tilting down as well as 2-bolt (front/back) seatposts do (e.g. Thomson). My Felt TK1 had that system and the seat kept tilting. I wasn't the only one who had that problem.
Also, I don't think anyone has solved the carbon seat post slipping problem 100%. Google: Aero Seatpost Slipping, and you will see what I mean.
Specialized's single bolt seat clamp is bombproof. I snapped the post before the snapping the clamp or having the seat slip. Plus, doesn't use pre-set indexed teeth like a lot of cheaper single bolt systems (my ftp thats just a touch nose up, grrr), so you literally have an infinite amount of seat angles to choose from, perfect for the competitive cyclist that has to have everything perfect. This is, as long as they kept the same system as their previous posts and didn't come up with something completely new...
-Connor