SHIMANO Sedona (6.2:1, 2/270, 4/140, 6/110) Propulsion line management system: Propulsion spool Lip, Power Roller III, S-Arm Cam Redesigned Bail Trip (500 size only) Varispeed oscillation (slow oscillation on 500 size) Shielded Stainless Steel Ball Bearings Lightweight Graphite Frame Sideplate, & Rotor 6.2:1, 2/270, 4/140, 6/110.