FSA KFX Di2 Diameter Length 0mm Offset (SB25) Di2 Internal 31.6mm 400mm 0 mm Set

The FSA KFX Di2 Seatpost is a carbon seatpost designed for modern mountain bikes and Di2 electronic drivetrains. It features internal battery integration for a clean setup and a lightweight yet strong construction for trail and XC use. This post offers a balance of compliance and stiffness for comfort and performance on demanding terrain.