Specialized S-Works Aethos SRAM Red eTap AXS Disc Carbon Road Bike

Item number: 84647
  • 100 day return period
  • Online since 1998
  • Trusted Shop 4.89 / 5.00

The S-Works Aethos SRAM Red AXS Carbon Road Bike by Specialized - Pure riding fun

This unique Specialized road bike is based on the extremely lightweight S-Works Aethos Disc frame and comes with an electronic Red eTap 2x12-speed groupset including a power meter crank from SRAM. It ensures a perfect riding experience, efficiency and comfort, no matter how long your ride is and whether it's uphill or downhill. In its development, the engineers have used the latest technologies to modify round tube shapes in such a way that cuts down on superfluous material and increases rigidity. In keeping with the Rider First Engineered™ philosophy, Specialized has taken into account the optimal carbon layup for each individual frame size. Complementing the AXS groupset, Specialized attachments and Roval wheels combine to create a stylish whole where the focus is not on winning, but on flow and the feeling of freedom.

Information regarding the return of batteries and electrical equipment:

Information on the return and disposal of used batteries and electrical equipment can be found here.


Application: Road
Wheel Size: 28"
Sizes: 54 cm, 56 cm
Frame Material: carbon (12r)
Fork Material: Carbon


Frame: Specialized S-Works Aethos, FACT™ Carbon, Flat Mount Disc, 12 x 142 mm thru-axle
Fork: Specialized Aethos, FACT carbon, flat mount disc, 369 mm installation length, 44 mm offset, 55 mm trail, 12 x 100 mm thru-axle
Stem: Specialized S-Works SL, aluminium, titanium bolts, 6° Rise
Handlebars: Specialized S-Works Short & Shallow, Aluminium, 75 mm Reach, 125 mm Drop
Headset: Specialized S202500012 (41.8 x 30.5 x 8 mm top, 49.5 x 40.5 x 6.5 mm bottom)
Seatpost: Roval Alpinist Carbon
Saddle: Specialized Body Geometry S-Works Power, carbon rails, carbon shell
Cranks: SRAM Red AXS Power Meter, SRAM DUB BSA 68 Bottom Bracket, 35-48 T
Pedals: none
Brakes: SRAM Red eTap AXS, hydraulic disc brake
Shift/Brake lever: SRAM Red eTap AXS
Rear Derailleur: SRAM Red eTap AXS, 12-speed
Front Derailleur: SRAM Red eTap AXS, braze-on
Cassette: SRAM Red XG-1290, 12-speed, 10-33 t
Chain: SRAM Red 12-speed
Wheels: Roval Alpinist CLX, carbon rims, 21 mm jaw width, 33 mm rim depth, Win Tunnel Engineered + Roval AFD hubs, 21/24 holes + DT Swiss Aerolite spokes
Tyres: Specialized Turbo Cotton, 320 tpi, 700 x 26 mm

Approved For:

Weight Limit: 109 kg (rider + gear)
Rotor Size (max.): 160 mm
Chainrings: 2x


- perfect combination of ultimate riding feel, light weight and incomparable style
- balance of stiffness and exceptional ride quality
- developed with the help of supercomputer simulations
- saves on weight thanks to conical modification of round tube shapes
- efficient acceleration on steep climbs and technical descents
- all-day comfort on long journeys
- designed exclusively for electronic shifting
- Supacaz Super Sticky Kush handlebar tape
- Specialized Turbo Ultralight tubes with 48 mm SV valves


FACT is an acronym for " Functional Advanced Composite Technology" and summarises all the know-how that Specialized has in the use of carbon fibre. It is a holistic approach, which primarily concerns the bike frames, but is found in many components such as handlebars, stems, saddles etc. The starting point is always the awareness for the needs of drivers and the capability to fulfil them. Next, the selection of fibres, resins and fabric layers takes place; in this process the quality of the carbon and the arrangement of the fibre layers play an important role. It is important to find the right set-up for the project at hand and the intended location or rather the area of application. It is often necessary to differentiate from model to model at several points. In the final step, attention is paid to processing the material in a way that allows the desired advantages in terms of low weight, rigidity and stability to be achieved.

Rider-First Engineered™
Rider-First Engineered describes the design approach used by Specialized to precisely match each frame size to the target group. Simply put, smaller frames for smaller riders are built in a different way than larger frames for larger riders. This is done on the basis of performance parameters determined in practical tests, taking into account the forces acting on different areas of the bike when riders of different sizes ride it. Based on this analysis, the optimum tube dimensions and the appropriate carbon fibre covering for the respective frame size are determined. This way you can be sure that no matter what your height is, you will receive a bike that delivers optimal and controllable performance suited to your size.

Supercomputer Simulations
In the beginning stages of development for the Specialized Aethos was the theory that the shape of a frame makes all difference in ride quality. To get to the bottom of this, elaborate simulations performed in a virtual testing environment were utilised. 100,000 frame designs, each with different degrees of bottom bracket stiffness, both head tube stiffness and overall stiffness were calculated by supercomputers. From the vast amount of resulting data, an optimal riding form was gradually developed by adding more filters. The result is a super-light frame with a smaller diameter bottom bracket and seat tube than conventional models. Elongated tapered sections were incorporated into the tubes, allowing for a significant reduction in carbon layers (minus 11% compared to the S-Works Tarmac SL6) and therefore weight. Thanks to the widening of the top tube and down tube and a matching connection to the bottom bracket and seatstays, the result was a stable, perfectly balanced machine that provides the ultimate riding experience.


54 cm:
Recommended Height: 170 - 175 cm
Stack: 544 mm
Reach: 384 mm
Seat Tube Length: 481 mm
Top Tube Length: 540 mm
Head Tube Length: 137 mm
Chainstay Length: 410 mm
Wheelbase: 978 mm
Bottom Bracket Height: 268 mm
BB Drop: 72 mm
Seat Tube Angle: 74°
Head Tube Angle: 73°
Standover Height: 748 mm
Trail: 58 mm
Stem Length: 100 mm
Handlebar Width: 42 cm
Crank Arm Length: 172.5 mm
Saddle width: 143 mm

56 cm:
Recommended Height: 175 - 180 cm
Stack: 565 mm
Reach: 395 mm
Seat Tube Length: 504 mm
Top Tube Length: 562 mm
Head Tube Length: 157 mm
Chainstay Length: 410 mm
Wheelbase: 991 mm
Bottom Bracket Height: 268 mm
BB Drop: 72 mm
Seat Tube Angle: 73.5°
Head Tube Angle: 73.5°
Standover Height: 769 mm
Stem Length: 100 mm
Handlebar Width: 42 cm
Crank Arm Length: 172.5 mm
Saddle width: 143 mm

Manufacturer Number:


Shipping Notice:

The shipment is sent pre-assembled by a forwarding agent.
The delivery time is extended by 2-5 days, depending on the overall volume of orders.
For individual consultation, please contact our customer service team.


- 1 x Specialized S-Works Aethos SRAM Red eTap AXS Disc Carbon Road Bike


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