Syncros duncan sl aero seatpost 15mm offsetSYNCROS DUNCAN SL AERO SEATPOST, 15MM OFFSET 292894 In its rigid version, the Duncan SL Aero seatpost, compatible with the new SCOTT Foil, has been designed for maximum aero performance at the lowest possible weight. Range of useROAD MaterialCarbon UD, Superlight Layup DiameterAero D Shape Offset15 mm Offset Rails compatibilityCompatible with 7x7mm rails, 7x9mm carbon rails (no adapter needed) Length380mm Weight195g FeaturesAero optimized