Slim and strong graphite body CFR : Cyclonic Flow Rotor 3 ball bearing + 1 roller bearing Quick-Set infinite anti-reverse system Machine cut brass pinion gear Machine cut 2 tone anodized aluminum spool RES II : Computer balanced Rotor Equalizing System Rigid metal handle TPE handle knob (T-shape on size 55) Multi-disc, Japanese oiled felt drag washers Matching SG MPP2 rods cosmetic