SHIMANO Sienna 4000 Front Drag Spinning Clam Reel Propulsion spool Lip Graphite frame Graphite sideplate Graphite Rotor Aluminum Spool Line Capacity 8/240, 10/200, 12/160 Gear Ratio 5.1:1 3 Plus 1 Roller Bearing Propulsion Spool Lip S Concept: S guard and S arm cam