Exist will set higher standards for spinning reels. Now with Magsealed ball bearings on both sides of the drive gear in addition to a Magsealed main shaft and line roller.Exist offers smooth trouble free rotation with less maintenance.Magsealed ball bearings will help enhance the durability, even in harsh saltwater conditions. 2 Magsealed Ball Bearings (MBB) one on each side of the Drive Gear Magsealed Main Shaft and Line Roller Zaion Body & Air Rotor Aluminum Body cover Digigear™ digital gear design 13 Bearing System (2 MBB + 10 CRBB + 1RB) Machined Aluminum Screw in Handle Free Neoprene reel bag