10 Bearing System - Corrosion resistant stainless steel ball bearings. Aluminum Main Shaft - 30% lighter than stainless steel. Aluminum Pinion Gear - 60% lighter than traditional brass gear. Braid Ready Spool - Allows braid to be tied directly to spool. Sealed Drag System - Sealed drag washers, always lubricated, always smooth. Carbon Handle - 21% lighter than aluminum. Rose wood handle knob - Classic handle knob design. 20 size reel is a 7 BB System.