Specialized Aethos 2 Expert Road Bike Description:
The Specialized Aethos 2 ranks itself as the lightest bike in its class with an intelligently engineered wind-tunnel tested 705g frame. But weight was never the point. Built by breaking racing’s rules to deliver pure road riding bliss, it’s engineered to disappear beneath you: responsive, supple, and sublime. Now with increased tire clearance, refined components, and data-based fit-enhancing geometry, it brings that transcendent ride feel to more riders than ever. Aethos 2 breaks the rules, for the love of the ride.
Features:
- Ultra-enthusiast grade road bike with Shimano Di2 electronic drivetrain
- Geometry situates riders in a competitive position with a degree of endurance-focused support
- Adjustments to wheelbase, head angle, and bottom bracket height increase stability and handling
- Roval Alpinist carbon handlebar balances comfort-inspiring ergonomics with cutting-edge performance
- FACT 10r Frame and Fork weigh a mere 6.71kg in the 56cm size
- Clearance for up to 35mm wide road tires
- Alpinist carbon bar and Pro SL alloy stem exacts an even balance of durability and weight
- Roval C38 tubeless compatible carbon wheels sustain versatile, all-rounder performance in varying scenarios
- Shimano Ultegra Di2 electronic drivetrain enables crisp shifting and intuitive operation
Specifications:
- Frame: Aethos 2 FACT 10r Carbon (Threaded Bottom Bracket) (12 x 142mm) (Flat Mount Disc) (Hidden Cable Routing)
- Fork: Aethos 2 FACT 10r Carbon Fork (Flat Mount Disc) (12 x 100mm)
- Headset: 1-1/8″ Tapered
- Handlebar: Roval Alpinist Carbon Handlebar (125mm drop, 75mm Reach)
- Bar Tape: Supacaz Super Sticky Kush
- Stem: Specialized Pro SL (Alloy) (4-bolt)
- Shift Levers: Shimano Ultegra Di2 R8170 (Hydraulic)
- Brakes: Shimano Ultegra BR-R8170 (Hydraulic Disc) (Flat Mount)
- Front Derailleur: Shimano Ultegra Di2 R8150 (Braze-On)
- Rear Derailleur: Shimano Ultegra Di2 R8150 (12-Speed)
- Crankset: Shimano Ultegra R8100 (52/36T)
- Bottom Bracket: Shimano (68mm Threaded BSA)
- Cassette: Shimano Ultegra (12 Speed) (11-30T)
- Chain: Shimano XT M8100 (12-Speed)
- Pedals: –
- Saddle: Body Geometry Power Expert
- Seatpost: Roval Alpinist Carbon
- Front Wheel: Roval C38 (21mm Internal Width) (Tubeless Ready) (12 x 100mm)
- Rear Wheel: Roval C38 (21mm Internal Width) (Tubeless Ready) (12 x 142mm)
- Tires: S-Works Turbo (Folding Bead) (700 x 28mm)
- Model Year: 2026
- Color: Gloss Dolomite Metallic/Blue Pearl Over Shadow Silver
- Weight: 15lb, 8.7oz (56cm) (Tubeless)

























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