FELT NEXAR Expert Ultegra Di2The Nexar Expert is the next generation of Felts aero road platform, designed as a fusion of "Next" and "Aero." It marks an evolution in performance where aerodynamic efficiency no longer requires a compromise in comfort or versatility. By using a taller frame stack and a more vertical seat tube angle, the Nexar Expert allows riders to maintain a powerful, aerodynamic position for longer durations. The frame is built with Felts standard carbon lay up,