The 2021 Specialized Aethos Expert is a lightweight road bike designed for riders who value pure ride quality over race-day aerodynamics. Its FACT 10r carbon frame weighs next to nothing yet delivers a remarkably balanced and responsive feel, combining stiffness where it counts with subtle compliance for all-day comfort. Outfitted with a Shimano Ultegra Di2 11-speed electronic drivetrain, it provides precise, effortless shifting and clean integration. Hydraulic disc brakes ensure confident control on descents, and the Roval carbon wheels keep the setup light and lively. Elegant, efficient, and intuitive, the Aethos Expert is built for the joy of the ride—no race number required.