Pro vibe ud carbon seatpostthe ultimate lightweight pro level full carbon monocoque seatpost as used by the top proteam professionals features full one piece t800 uni directional carbon fibre monocoque construction produces a lightweight and stiff seatpost dual flat sections inside tube for increased strength and rigidity easy to use secure twin bolt wedge clamp design made from 2014 forged aluminium titanium bolts handy height indicator on the rear of the tube for quick setup inserted cnc allo