Light weight C-40X carbon frame and sideplate RCS: Rigid carbon reel stem Strong armor with double strength 8 SUS stainless ball bearings Quick-Set anti-reverse roller bearing Precision elliptical gearing system Precision machine cut brass pinion gear Hydro block watertight drag seal Rigid, forged aluminum, anodized handle Light weight, EVA handle knob for comfort Machined aluminum, 2-tone anodized spool Heavy duty, solid aluminum bail wire Stronger Okuma computer balanced spiral rotor RESII: Computer balanced Rotor Equalizing System