Specialized Aethos Comp - Shimano 105 Di2

Specialized Aethos Comp - Shimano 105 Di2

Specialized Aethos Comp - Shimano 105 Di2 At a Glance:

  • Drivetrain: Shimano 105, 12-speed, 50/34T Chainrings
  • Brakes: Shimano 105, Hydraulic disc
  • Wheelset: DT Swiss R470 rim, Tubeless ready, 20mm internal width
  • Frame: Project 300 10r Disc, extremely lightweight
  • Tires: Turbo Pro, 700x28mm, 60 TPI, folding bead, BlackBelt protection

Our Verdict: The Specialized Aethos Comp - Shimano 105 Di2 delivers phenomenal ride quality with its lightweight frame and reliable Shimano drivetrain. Its tubeless ready DT Swiss rims and Turbo Pro tires cater to a smooth and resilient riding experience.

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Here is my attempt to improve the product description for the Specialized Aethos Comp to over 1000 words:

The Specialized Aethos Comp: Where Refined Engineering Meets Athletic Aesthetics

Serious road cyclists who appreciate the perfect balance between performance, value, and head-turning style need look no further than the Specialized Aethos Comp. This stunning carbon bike fuses avant-garde design with Shimano’s advanced 105 Di2 electronic shifting to create an elite-level riding experience.

Sleek Carbon Frame Packed with Ingenious Tech

 The visually arresting FACT 10R carbon fiber frame forms the backbone of this exceptional road machine. Using advanced Rider-First Engineered technology, Specialized meticulously tunes the optimal blend of compliance, stiffness, and weight into every section of the frame. The result is unmatched power transfer and razor-sharp handling paired with a supple feel that isolates you from vibrations. 

Oversized tubing boosts stiffness through the bottom bracket and front end for responsive sprinting and cornering. A dropped seatstay design enhances aerodynamic performance to help you maintain speed. Integrated cable routing ensures flawlessly smooth shifting and braking.

Shimano 105 Di2: Pro-Level Electronic Shifting

This bike takes a giant leap ahead with Shimano’s 105 Di2 electronic shifting system. This technology delivers lightning-fast, accurate gear changes at the push of a button. The motors precisely toggle between each of the 11 cogs on the cassette for confident shifting every time.

Optimized rear derailleur geometry enables the system to shift up or down the entire 11-34T cassette in one movement. Shift under heavy pedaling load without losing momentum. E-Tube ports allow you to program multi-shift functions to change gears even faster.

Compliance-Enhancing Wheel and Tire Package

 The Aethos Comp rolls on DT Swiss’ lightweight R470 rims, delivering a sublime ride feel. The 20mm internal width provides a robust foundation for the tire while keeping weight low. This model comes equipped with Specialized’s smooth-rolling 60TPI Turbo Pro tires. 

Together, these components enhance traction, comfort, and speed. The tubeless-ready setup makes installing sealant a breeze to prevent flats and maintain consistent pressure over time.

Cockpit and Saddle Tailored for All-Day Comfort

The ergonomic build of the Aethos caters to comfort on long outings. The short-reach handlebar allows for a slightly more upright position to reduce strain, while the Body Geometry Power Sport saddle provides ample support.

Stiff and Agile Handling, Compliant Where it Counts

 Take the Aethos Comp for a test ride and you’ll immediately notice how it springs to life beneath you. The snappy steering response makes winding descents a thrill. Hit the afterburners and feel the massive acceleration enabled by the stiff frame and lightning-fast gear changes.

Yet engineered compliance keeps the ride quality smooth and stable across changing road surfaces. The fine-tuned frame mutes vibrations to prevent rider fatigue, keeping you comfortable all day long. 

With its fusion of head-turning aesthetics, boundary-pushing performance, and intuitive design, the Specialized Aethos Comp redefines its class. Experience the brilliant riding experience this Shimano 105 Di2-equipped carbon stunner has to offer.


Riders of the Aethos Comp - Shimano 105 Di2 have unanimously applauded the bike for its excellence in performance, style, and functionality. The combination of the Shimano 105 drivetrain, and Hydraulic Disc Brakes, coupled with the ultra-lightweight and robust frame, unarguably make Aethos one of the best performing bikes in its class. It is thus recommended for cyclists looking for a perfect fusion of style, speed, and durability.