FSA K-Force Di2 Seatpost 27.2mm Diameter 400mm Length 25mm Offset SB25 Di2 Internal Battery Compatible – Carbon

One piece continuous carbon fiber construction. Forged alloy Minimal Top Clamp (MTC). Fit 7mm standard rails and 7x9mm oval rails. Integrated plastic insert sleeve for Di2 Batteries. Available with 0 or 25mm setback