Multi-disc, Japanese-oiled felt drag washers. DFD: Dual Force Drag system. 9BB + 1RB stainless steel bearings. Quick-set anti-reverse roller bearing. Precision machine cut brass pinion gear. CRC: Corrosion Resistant Coating process. HDGII: Corrosion resistant, High density gearing. Crossover aluminum and graphite hybrid body design. Crossover aluminum and graphite hybrid rotor design. EOS: Patented Elliptical Oscillation System. Hybrid spool design with graphite arbor and aluminum lip. ADC: Aluminum Drag Chamber precision spool system. Rigid, forged aluminum handle design. Hydro Block water tight drag seal. Heavy duty, solid aluminum, anodized bail wire. RESII: Computer balanced Rotor Equalizing System. Trio spinning reels are backed by a 1-year warranty.