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Specialized Aethos Expert Ultegra Di2 | Road Bike
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, Specialized 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 they have 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 Specialized 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, they 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. Specialized 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.
BIKE FRAME – Aethos FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc
FORK – FACT Carbon, 12x100mm thru-axle, flat-mount disc
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
CRANKSET – Shimano Ultegra R81000
CHAINRING – 52/36T
REAR DERAILLEUR – Di2 Shimano Ultegra R8150, 12-speed
SHIFT LEVER – Di2 Shimano Ultegra R8170, hydraulic disc
CASSETTE – Shimano Ultegra, 12-speed, 11-30t
CHAIN – Shimano XT M8100, 12-speed w/ quick link
FRONT BRAKE – Shimano Ultegra R8170, hydraulic disc
REAR BRAKE – Shimano Ultegra R8170, hydraulic disc
HANDLEBAR – Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach
STEM – Specialized Pro SL, alloy, 4-bolt
SEAT POST – Roval Alpinist Carbon Seatpost
SADDLE – Body Geometry Power Expert
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Review Specialized Aethos Expert Ultegra Di2 | Road Bike