I hear that. I've been having some small issues with the stock giant seatpost that came with my tcr. while it's only slipping in .05mm recently, it's still slipping. PLUS i noticed that the stock clamp has nicked the frame! Oddly enough, i found out that i have the same EXACT clamp as the ones used by t-mobile (a buddy has a team issue bike from last season). if it keeps giving me a hassle, i'm gonna have to have a word with giant