Road bike Specialized AETHOS PRO UDI2

The Specialized Aethos Pro UDi2 is a road bike designed for pure performance, unparalleled lightness, and superior ride quality. Combining a featherweight carbon frame, electronic shifting, and high-performance wheels, this bike is built for riders who demand effortless climbing, precision handling, and all-day comfort.
Ultra-Lightweight FACT Carbon Frame

The Aethos frame is engineered for maximum weight savings, offering class-leading stiffness and balance without sacrificing durability:
✅ 585g frame weight (S-Works size 56cm) – one of the lightest production road frames ever made.
✅ Optimized tube shapes – subtle refinements create greater stiffness and efficiency.
✅ Revolutionary carbon layup – ensures perfect ride feel, power transfer, and compliance.

Precision Handling & Ride Quality

✅ Rider-First Engineered™ construction – delivers consistent ride characteristics across all sizes.
✅ Balanced front and rear stiffness – enhances control, stability, and comfort.
✅ Alpinist carbon seatpost – further reduces weight and improves compliance.

Electronic Shifting & High-Performance Components

Shimano Ultegra Di2 12-speed drivetrain – wireless electronic shifting for flawless precision.
Shimano Ultegra hydraulic disc brakes – powerful and consistent braking in all conditions.
Roval Alpinist carbon wheels – lightweight, stiff, and optimized for climbing.
DT Swiss 350 hubs – ensure smooth rolling and long-term durability.

Why choose this bike?

Ultra-lightweight carbon frame – exceptional stiffness-to-weight ratio for maximum efficiency.
Shimano Ultegra Di2 electronic shifting – instant, reliable gear changes.
Roval Alpinist carbon wheels – tubeless-ready, lightweight, and aerodynamic.
Proven geometry – optimal fit for performance riding and endurance comfort.
Classic road aesthetics – timeless style with cutting-edge engineering.

Key Features

Frame: FACT carbon, ultra-lightweight and optimized for climbing.
Drivetrain: Shimano Ultegra Di2 12-speed, wireless electronic shifting.
Brakes: Shimano Ultegra hydraulic disc brakes.
Wheels: Roval Alpinist carbon, DT Swiss 350 hubs, tubeless-ready.
Cockpit: Alpinist carbon seatpost for added comfort and weight savings.

Who is this bike for?

The Specialized Aethos Pro UDi2 is ideal for road cyclists who value weight savings, precision handling, and all-day ride comfort. Whether you're attacking climbs, tackling technical descents, or enjoying long endurance rides, this bike provides a smooth, responsive, and perfectly balanced ride.