Specialized Aethos Pro Ultegra DI2 12s Satin Carbon / Red Pearl / Black 2025 carbon road bike

The Specialized Aethos Pro Ultegra Di2 2025 embodies a pure vision of road bike : lightness, balance, and exceptional handling . Designed for demanding cyclists, this bike combines an ultralight FACT 10r carbon frame , a 12-speed Shimano Ultegra Di2 electronic drivetrain , and premium components to deliver a dynamic, precise, and refined riding experience.

Its Satin Carbon / Red Pearl / Black color scheme provides an elegant and sporty finish to a bike designed for performance and riding pleasure.

FACT 10r carbon Frame : lightweight and exceptional performance

The heart of the Aethos Pro lies in a FACT 10r Carbon frame developed around a simple objective: to create the most balanced road bike possible.

• ultra-light carbon frame
• Optimized rigidity without excessive firmness
• natural and precise behavior
• excellent vibration filtering
• minimalist and clean design

A bike designed to climb, accelerate and cover kilometers smoothly.

Shimano Ultegra Di2 12-speed Drivetrain : speed and precision

The Aethos Pro 2025 features the Shimano Ultegra Di2 R8170 12-speed electronic drivetrain :

• ultra-fast gear changes
• high-performance electronic precision
• Modern ergonomics of the Di2 controls
• Powerful and progressive hydraulic braking
• drivetrain designed for competition and endurance

Instant gear changes and optimal control in all conditions.

Roval carbon wheels: performance and responsiveness

To fully exploit the frame 's potential, Specialized equips the Aethos Pro with high-end wheels:

• Roval Rapide CL II carbon wheels
• excellent inertia and effective restarts
• high lateral rigidity
• optimized performance on hilly and rolling terrain

More dynamism, speed and efficiency with every pedal stroke.

Performance road geometry: comfort and versatility

The Aethos is not only lightweight, it is also designed to offer exceptional handling quality:

• sporty but balanced road position
• remarkable comfort over long distances
• precise handling both uphill and downhill
• predictable and reassuring behavior

Perfect for long rides, mountain biking, cyclosportive events and intensive sports use.

Shimano hydraulic brake rotor brakes

• Shimano Ultegra hydraulic brakes
• Constant power and precise modulation
• optimal safety in the rain as well as on dry roads

Why choose the Specialized Aethos Pro Ultegra Di2 2025?

• FACT 10r Carbon ultra-light frame
• Shimano Ultegra Di2 12-speed drivetrain
• Roval Rapide CL II carbon wheels
• exceptional uphill and long-distance performance
• Powerful hydraulic braking
• premium bicycle dedicated to performance and riding pleasure

Technical specifications

• Frame : Specialized Aethos FACT 10r Carbon
• Fork : FACT carbon
• Drivetrain : Shimano Ultegra Di2 R8170 – 2x12 speed
• Brakes : Shimano Ultegra hydraulic brake rotor
• Wheels : Roval Rapide CL II carbon
• Tires : High-performance road tires
• Colors : Satin Carbon / Red Pearl / Black
• Use : road / mountain / endurance / cyclosportive

In summary

The Specialized Aethos Pro Ultegra Di2 12s 2025 Satin Carbon / Red Pearl / Black is a high-end carbon road bike designed for cyclists seeking lightness, precision, and a unique riding experience . Thanks to its FACT 10r frame , Ultegra Di2 electronic drivetrain , and Roval carbon wheels, it excels both in the mountains and on long, sporty rides.