St.Croix GXR Bass Systems - CastingSt. Croix GXR Bass Systems Casting A special collaboration between St. Croix and Seviin to create a superior bass combo, the St. Croix GXR Bass Casting Combo is offered in a variety of technique specific model options including all purpose, reaction bait, and frog flip. Built around a lightweight and sensitive carbon fiber SCII blank, each rod is cured using St. Croixs Fortified Resin System (FRS) to ensure long lasting performance by preventing micro