The flagship of the Shimano S-system rear drag family, six of the latest A-RB bearings plus one Roller Bearing deliver the ultimate in silky smoothness and long-term durability. A brand new flawless rear Fightin' Drag system, probably the most advanced in the world, features carbon washers and ergonomic "tail fin" drag lever. The drag housing is fully contained regardless of setting, preventing dirt breaching the internal clutch. Direct Oil Lubrication Port, Hybrid Aluminium Spools with hardened titanium lip plus Shimano's ground breaking Super Slow Oscillation line lay complete an incredible package.