Want the best? You found it. Shimano integrated its entire arsenal of fish-finding technology in this next generation, top-of-the-line reel. The double-bearing-supported X-Ship pinion gear boosts cranking power and gear efficiency, reducing handle rotation torque by 60%. Its always-smooth, 15-bearing system features A-RB® stainless steel bearings for 10 times more corrosion-resistance. Tournament-proven Paladin® gear enhancement lets you crank down hard on heavyweight fish with a cold-forged aluminum drive gear and a hardened pinion gear. Innovative, SR®-Concept design delivers smooth, reliable performance from all components, including 3-D gears, triple-ball-bearing oscillation, one-piece bail wire, a floating shaft and a boltless, perfectly balanced body. The five-piece Propulsion® Line Management System increases casting distance and line flow, while reducing friction and line twist. Aero Wrap® II Oscillation for uniform line lay. DynaBalance® prevents wobble during retrieves. Super Stopper® II anti-reverse eliminates backplay. Polished Fluidrive® II gear surfaces maximize tooth contact. Machined-aluminum spool with titanium lip. Corrosion-blocking (Electronic Ionization) surface treatment. Lightweight magnesium frame and sideplates. Nonslip Septon® grips. Easy-access maintenance ports. Rated for freshwater or saltwater.