Pro vibe ltd seatpost carbonthe vibe ltd carbon seatpost from pro is the ultimate lightweight pro level full carbon monocoque seatpost as used by the top pro team professionals this di2 compatible seatpost features a single side bolt clamp design making installation easier and providing more scope for fine tuning featuresfull one piece t800 uni directional carbon fibre monocoque construction produces a lightweight and stiff seatpostdual flat sections inside tube for increased strength and ri