The Specialized Aethos 2 Pro Shimano Ultegra Di2 Road Bike delivers the perfect balance of ultra-lightweight performance, exceptional ride quality, and modern road cycling technology. Built around a 705g FACT 10r carbon frame and fork, the Aethos 2 Pro is one of the lightest performance road bikes in its class, engineered to provide responsive handling, smooth power transfer, and outstanding comfort on climbs, descents, and long endurance rides.
- Ultra-light 705g FACT 10r carbon frame and fork
- Shimano Ultegra Di2 electronic drivetrain for fast, precise shifting
- Roval Alpinist CL II carbon wheels for lightweight performance
- Roval Alpinist Integrated Cockpit II for improved stiffness and control
- Performance endurance geometry with increased tyre clearance
Designed for riders who value pure road riding performance, the Aethos 2 Pro combines Shimano Ultegra Di2 electronic shifting with advanced carbon engineering for precise gear changes, reliable braking performance, and efficient pedalling across varied terrain. The Roval Alpinist CL II carbon wheels and Roval Alpinist Integrated Cockpit II enhance stiffness, responsiveness, and aerodynamic efficiency, helping riders accelerate quickly and maintain speed on fast road rides or challenging climbs.
With refined endurance-focused geometry and increased tyre clearance, the Aethos 2 Pro delivers improved comfort and control for long-distance road cycling, sportive events, and club rides. Every detail, from the FACT carbon layup to the integrated cockpit and precision frame design, is engineered to optimise weight, stiffness, and ride feel, creating a road bike that feels fast, balanced, and effortless beneath you.
At just 6.73kg (size 56cm), the Specialized Aethos 2 Pro Ultegra Di2 is the ideal choice for cyclists seeking a lightweight carbon road bike with electronic shifting, premium components, and exceptional ride quality for climbing, endurance riding, and high-performance road cycling.
The Shimano Ultegra Di2 groupset delivers pro-level performance with lightning-fast electronic shifting, unmatched precision, and smooth reliability for road cyclists. Designed with advanced technology from Dura-Ace Di2, Ultegra Di2 offers seamless gear changes, lightweight efficiency, and all-day riding comfort at a more accessible price point.
The Aethos 2 Pro Ultegra Di2 is perfect for riders who want world-class performance without compromise. It climbs effortlessly, descends with total confidence, and provides the comfort needed for long endurance rides. With its timeless round-tube design, hidden cable integration, and modern components, this bike isn’t about following racing rules, it’s about the pure love of road cycling.