Specialized
Aethos Expert
Aethos Expert
SKU:97222-3054
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Aethos Size Guide
Product Details
Aethos: Billions of calculations in the pursuit of one thing—the perfect ride. It’s more than just a motto, it’s a philosophy. The Aethos has been designed to straddle the line between a perfected ride quality, extreme light weight, and undeniable style, and this Expert model is no exception. With quick-shifting, low-maintenance Ultegra Di2 electronic shifting and hydraulic disc brakes paired with bomb-proof Roval C38 Disc carbon wheels, you have the perfect steed to get you out on the road. 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.
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.
Technical Specifications
Frameset
Frame
Aethos FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc
Seat Binder
Specialized Alloy, 30mm
Suspension
Fork
FACT Carbon, 12x100mm thru-axle, flat-mount disc
Cockpit
Seat Post
Roval Alpinist Carbon Seatpost
Saddle
Body Geometry Power Expert
Stem
Specialized Pro SL, alloy, 4-bolt
Handlebars
Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach
Brakes
Front Brake
Shimano Ultegra R8170, hydraulic disc
Rear Brake
Shimano Ultegra R8170, hydraulic disc
Drivetrain
Shift Levers
Di2 Shimano Ultegra R8170, hydraulic disc
Rear Derailleur
Di2 Shimano Ultegra R8150, 12-speed
Cassette
Shimano Ultegra, 12-speed, 11-30t
Crankset
Shimano Ultegra R81000
Chain
Shimano XT M8100, 12-speed w/ quick link
Chain Ring
52/36T
Bottom Bracket
Shimano Threaded BSA BB
Wheels & Tyres
Front Wheel
Roval C38, 21mm internal width carbon rim
Rear Wheel
Roval C38, 21mm internal width carbon rim
Front Tire
S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Rear Tire
S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
Tubes
Turbo Ultralight, 48mm Presta valve