Sustain is packed with a long list of high-end features which translates to serious performance. From bass to small billfish, Sustain is built with the power and rigidity to handle a wide variety of fishing challenges while maintaining the refinement and light rotation that Sustain is known for. By combining Shimano’s water-repellent coating and the specially-designed, water channeling, labyrinth construction, X-Protect provides high-level water resistance without sacrificing light gear and rotor rotation. By utilizing the asymmetrical, super-light, perfectly balanced design of the MagnumLite Rotor, the Sustain requires very low inertia to start rotating, resulting in an immediate, light and smooth feel.