Syncros Duncan SL Aero Seatpost - 15mm OffsetIn 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 use ROAD Material Carbon UD, Superlight Layup Diameter Compatible with Foil 3, Plasma TT Offset 15 mm Offset Rails compatibility Compatible with 7x7mm rails, 7x9mm carbon rails (no adapter needed) Length 380mm Weight 195g Features Aero optimized designSyncros engineered carbon