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Specialized S-Works Aethos Dura-Ace Di2 Disc Road Bike

  • An exciting new range of bikes built just for the everyday enthusiast not the 1/1,000,000 pro
  • The bike that breaks the rules (the UCI rules to be clear) weighing in at an incredible 585g
  • Altered tube shapes provides a bike that delivers on climbs, descents and coffee stop rides!
  • Roval’s all-new Alpinist carbon wheels are every cyclist's dream for a fast, durable wheelset
Specialized

£11,750

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Product Information

Specialized S-Works Aethos Dura-Ace Di2 Disc Road Bike

It seems every top-end bike is centered around the 21st-century pro peloton. This is great for when we are cheering on our favorite riders from the side of the road but in reality, the large majority of us don't ride the Tour de France or anything close to it! So Specialized has done away with regulations and rules that restrict us bike enthusiasts and engineered well ... a thing of beauty. Weighing in at just 585g (56cm frame) the Aethos becomes the new dream for floating up Alpe d'huez, cruising down the Pyrenees (or your local hill climb), and drinking your coffee before the rest of the group get to the cafe. Altered tube shapes and carbon layup is what helps the Aethos to be so light, the brand-new Alpinist wheelset offers rugged durability and a touch of aero ingenuity that matches the bikes hill-climbing prowess and finally, Shimano's Dura-Ace Di2 that is the, if not one of the, highest quality electronic groupsets available on today's market. 

 

Full Specification

FEATURES

TECHNOLOGIES

A New Breed

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 has 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 Specialized has 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.

 

Ride Quality 

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.

 

The Fine Detail 

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 and wheels, further saving weight and improving ride characteristics. Everything in pursuit for the perfect ride. Top off the world’s lightest frame with Shimano’s legendary Dura-Ace Di2 groupset and Roval’s featherweight Alpinist wheels and you’re left with a perfectly balanced, top-tier ride that delivers everything in the name of performance.

FULL SPECIFICATION

Frameset

Frame - S-Works Aethos FACT 12r Carbon, Rider First Engineered™, Threaded BB, Electronic cable routing only, 12x142mm thru-axle, flat-mount disc

Fork - S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc

 

Wheelset

Front Wheel - Roval Alpinist CLX, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, Roval AFD hub, 21h, DT Swiss Aerolite spokes

Rear Wheel - Roval Alpinist CLX, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes

Front & Rear Tyres - Turbo Cotton, 320 TPI, 700x26mm

Inner Tubes - Turbo Ultralight, 48mm Presta valve

 

Groupset

Crankset - Shimano Dura-Ace R9100, HollowTech 2, 11-speed, Dual-sided Powermeter

Chainrings - 52/36T

Bottom Bracket - Shimano Dura-Ace, BB-R9100

Front Derailleur - Shimano Dura-Ace Di2 R9150, braze-on

Rear Derailleur - Shimano Dura-Ace Di2 R9150, 11-speed

Cassette - Shimano Dura-Ace R9100, 11-speed, 11-30t

Chain - Shimano Dura-Ace, 11-speed

 

Brakeset

Front & Rear Brake - Shimano Dura-Ace R9170, hydraulic disc

 

Components

Stem - S-Works SL, alloy, titanium bolts, 6-degree rise

Saddle - Body Geometry S-Works Power, Carbon Fiber Rails, Carbon Fiber Base

Seatpost - Roval Alpinist Carbon Seatpost

Seat Binder - Specialized Alloy, 30.0mm, titanium bolt

Tape - Supacaz Super Sticky Kush