Completely redesigned for 2008 under the SR-Concept, the Shimano Sustain 4000FE features the new Paladin Gear Durability Enhancement, Propulsion Line Management System and Aero Wrap II Oscillation. The Sustain 4000FE is further enhanced with a titanium coated spool lip for unparalleled castability. Add in waterproof drag and a thread-in machined aluminum handle for unprecedented durability.