Aethos 2 2026
Aethos 2 Pro
The 2026 Specialized Aethos 2 Pro is a road bike offered in 6 sizes, 49 to 61. Reach runs from 373 to 404 mm and stack from 522 to 627 mm. It ships with SRAM Force AXS and Roval Alpinist CL II.
Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing. Verified against specialized.com and at least one independent source.
Key facts
- Brand
- Specialized
- Model
- Aethos 2
- Model year
- 2026
- Frame
- Pro
- Type
- Road
- Sizes
- 49, 52, 54, 56, 58, and 61
- Verified measurements
- 53 of 54
- Verified against
- specialized.com and at least one independent source
- Last checked
2026 Specialized Aethos 2 Pro drawn to scale
2026 Specialized Aethos 2 Pro geometry by size
| Measurement | 49 | 52 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Reach(mm) | 373mm | 377mm | 384mm | 391mm | 398mm | 404mm |
| Stack(mm) | 522mm | 538mm | 559mm | 580mm | 606mm | 627mm |
| Head tube angle(°) | 71.4° | 72.1° | 72.5° | 73° | 73° | 73.5° |
| Seat tube angle(°) | 75.5° | 74.5° | 74° | 74° | 74° | 74° |
| Effective top tube(mm) | 508mm | 526mm | 544mm | 557mm | 572mm | 584mm |
| Chainstay length(mm) | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
| Wheelbase(mm) | 978mm | 981mm | 992mm | 998mm | 1013mm | 1020mm |
| BB drop(mm) | not yet verified | 76.5mm | 75mm | 75mm | 73.5mm | 73.5mm |
| Head tube length(mm) | 114mm | 128mm | 150mm | 169mm | 198mm | 218mm |
Last checked .
2026 Specialized Aethos 2 stock build
18 parts. Specs shown only where two or more sources agree.
Frame
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Quick answers
What sizes does the 2026 Specialized Aethos 2 Pro come in?
It comes in 6 sizes: 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2026 Specialized Aethos 2 Pro in size 56?
In size 56, reach is 391 mm and stack is 580 mm.
What is the head tube angle of the 2026 Specialized Aethos 2 Pro?
The head tube angle is 73 degrees in size 56.
What does the 2026 Specialized Aethos 2 Pro ship with?
The stock build includes Specialized Aethos 2, SRAM Force AXS, Roval Alpinist CL II, and SRAM Force.
Which years of the Specialized Aethos 2 are in the catalog?
The catalog has the Specialized Aethos 2 for 2026 and 2025.
Other frames of the 2026 Aethos 2
Other years of the Aethos 2
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