Ritchey WCS Link Wet 27,2x400 mm Seatpost 2016 Proprietary LINK clamp works with all standard saddle rail designs AND Selle Italia MonoLink saddles with separate adapter 20mm of offset and a reversible clamp which allows for an additional 10mm of fore-aft saddle adjustment 3D Forged 7050 Construction Reversible clamp: 10-20mm of fore-aft adjustment 230g