SHIMANO Sedona FD (2/190, 4/100, 6/60, 5, 4.7 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 2/190, 4/100, 6/60, 5, 4.7:1.