Specialized Aethos Expert


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Specialized Aethos Expert
Specialized Aethos Expert

What if we used every ounce of experience we�ve gained serving riders over the past 46 years and built a bike made simply for the love of riding? The Aethos is designed to straddle the line between perfect ride quality, extreme lightweight, and undeniable style. The Aethos Expert model is no exception.

With quick-shifting, low-maintenance Ultegra Di2 electronic shifting and hydraulic disc brakes paired with bomb-proof DT Swiss R470 Disc wheels, you have the perfect steed to excite you out on the road.

  • A featherweight frame is useless without confidence-inspiring ride characteristics, which is why we�ve developed the Aethos to have the perfect balance of front and rear stiffness combined with exceptional ride quality. By studying the flexing and breathing of carbon fiber, we were able to discover groundbreaking findings about how forces flow through frames. Just a few pedal strokes and you�ll realize this sublime ride sets a new standard.
  • Every detail, from the derailleur hangers to the fork expander plug have been designed with style, weight, and durability in mind. We�ve also spec�d it with Roval�s all-new Alpinist carbon seatpost further saving weight and improving ride characteristics. Everything in pursuit for the perfect ride.
  • The Aethos frame has been designed with the perfect combination of ultimate ride feel, light weight, and style�from accelerating up steep pitches and descending technical descents, to all-day saddle comfort on even the longest coffee rides, the Aethos hits the mark. But how, you ask? By reinventing the traditional road shape found on bikes of the past, we�ve subtly altered these shapes to deliver massive gains in stiffness and balance, all without affecting weight or durability. Pair that with an entirely-new layup and process that we�ve perfected over multiple decades and you have the lightest frame out there (585 grams, S-Works, size 56cm). The Aethos is more than just a new bike, it�s the first of a new breed.
  • bottom bracket

    Shimano threaded


    Shimano Ultegra R8000, 11-speed, 11-30t


    Shimano Ultegra, 11-speed


    Shimano Ultegra R8000, HollowTech 2, 11-speed


    FACT carbon, 12x100mm thru-axle, flat-mount disc


    Aethos FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc

    front brake

    Shimano Ultegra R8070, hydraulic disc

    front derailleur

    Shimano Ultegra Di2 R8050, braze-on

    front tire

    S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm

    front wheel

    DT R470 Disc, sealed cartridge hubs, 14g spokes, 24h


    Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach

    inner tubes

    Turbo Ultralight, 48mm Presta valve

    rear brake

    Shimano Ultegra R8070, hydraulic disc

    rear derailleur

    Shimano Ultegra Di2 R8050, GS medium cage

    rear tire

    S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm

    rear wheel

    DT R470 Disc, sealed cartridge hubs, 14g spokes, 24h


    Body Geometry Power Expert, Hollow Titanium Rails

    seat binder

    Specialized Alloy, 30.0mm


    Roval Alpinist Carbon Seatpost

    shift levers

    Shimano Ultegra Di2 Disc R8070


    Specialized Pro SL, alloy, 4-bolt


    Supacaz Super Sticky Kush

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