The Specialized Aethos Pro DI2 is a pinnacle of road bike design, promising exceptional light weight, perfectly-balanced ride characteristics, and undeniable style. This bike is the result of billions of calculations aimed at achieving the perfect ride, making it more than just a new bike, but the first of a new breed.

Key Features:
  • Frame Design and Material: The Aethos frame is designed with a perfect combination of ultimate ride feel, light weight, and style. By reinventing traditional road shapes, Specialized has achieved massive gains in stiffness and balance without affecting weight or durability. The frame is made from FACT 10r Carbon, with the S-Works version weighing just 585 grams (size 56cm)45.
  • Ride Quality and Stiffness: Developed to have the perfect balance of front and rear stiffness combined with exceptional ride quality. By studying the flexing and breathing of carbon fiber, Specialized has made groundbreaking findings about how forces flow through frames, resulting in a sublime ride that sets a new standard.
  • Groupset: Spec’d with Shimano's Ultegra Di2, which delivers clean, crisp shifts and reliable performance.
  • Wheels: Equipped with Roval’s Alpinist wheels mated to DT Swiss 350 hubs, providing a no-fuss build that delivers performance mile after mile.
  • Seatpost: Features Roval’s all-new Alpinist carbon seatpost, further saving weight and improving ride characteristics.
  • Attention to Detail: Every component, from the derailleur hangers to the fork expander plug, has been designed with style, weight, and durability in mind.
  • Tire Clearance: Offers clearance for up to 32mm tires, providing versatility for different riding conditions.
  • Threaded Bottom Bracket and Thru-Axle: Equipped with a threaded bottom bracket and 12x142mm thru-axle for stability and ease of maintenance.
  • Geometry and Fit: Designed with Rider First Engineered™ philosophy, ensuring the same ride characteristics and handling across all sizes. The bike features a traditional road bike geometry with adjustable fit options to suit various riders4.

Who is it for?
The Specialized Aethos Pro DI2 is ideal for road cyclists who value exceptional light weight, balanced ride characteristics, and stylish design.
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