The WCS Carbon seat post brings more compliance, increased versatility, and a lighter weight to the legendary Ritchey design. This post has a 20mm offset. The carbon layup used for the Carbon was originally developed for top-level Pro Tour teams and is 15% more vertically compliant than other layups, with no loss of lateral or torsional stiffness – perfect for racing in the Alps during the Tour de France or riding along your local gravel roads.