Goya Extension Pro - RDM (CARBON 0-32 32.2)Graceful and rigid. Goya carbon extensions are lighter and stiffer to accept high loads especially on longer extension settings and large sails. All Goya extensions use the super strong pin and collar system and come with a proven stainless steel power pulley and cleat. The RDM extension comes with a stepped hole layout to minimize weakening the shaft. These extensions offer the best weight to stiffness ratio, light and incredibly strong. Optimal