Domane 2026
Domane AL Gen
The 2026 Trek Domane AL Gen is a road bike offered in 7 sizes, 44cm to 61cm. Reach runs from 360 to 385 mm and stack from 510 to 646 mm. It ships with Shimano Claris R2000 and Bontrager Paradigm SL.
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.
Key facts
- Brand
- Trek
- Model
- Domane
- Model year
- 2026
- Frame
- AL Gen
- Type
- Road
- Sizes
- 44cm, 49cm, 52cm, 54cm, 56cm, 58cm, and 61cm
- Verified measurements
- 76 of 77
- Last checked
2026 Trek Domane AL Gen drawn to scale
2026 Trek Domane AL Gen geometry by size
| Measurement | 44cm | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|---|
| Reach(mm) | 360mm | 368mm | 371mm | 374mm | 377mm | 380mm | 385mm |
| Stack(mm) | 510mm | 540mm | 561mm | 575mm | 591mm | 611mm | 646mm |
| Head tube angle(°) | 70.3° | 70.8° | 71.3° | 71.3° | 71.9° | 72.0° | 72.1° |
| Seat tube angle(°) | 74.6° | 74.6° | 74.2° | 73.7° | 73.3° | 73.0° | 72.7° |
| Effective top tube(mm) | not yet verified | 516mm | 530mm | 542mm | 554mm | 567mm | 586mm |
| Chainstay length(mm) | 420mm | 425mm | 420mm | 420mm | 420mm | 425mm | 425mm |
| Wheelbase(mm) | 983mm | 1001mm | 1003mm | 1010mm | 1018mm | 1022mm | 1038mm |
| BB drop(mm) | 80mm | 80mm | 80mm | 80mm | 78mm | 78mm | 75mm |
| Standover(mm) | 657mm | 717mm | 735mm | 754mm | 776mm | 796mm | 842mm |
| Seat tube length(mm) | 390mm | 440mm | 475mm | 500mm | 525mm | 548mm | 576mm |
| Head tube length(mm) | 95mm | 123mm | 145mm | 160mm | 175mm | 195mm | 235mm |
Last checked .
2026 Trek Domane stock build
21 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 Trek Domane AL Gen come in?
It comes in 7 sizes: 44cm, 49cm, 52cm, 54cm, 56cm, 58cm, and 61cm.
What are the reach and stack of the 2026 Trek Domane AL Gen in size 54cm?
In size 54cm, reach is 374 mm and stack is 575 mm.
What is the head tube angle of the 2026 Trek Domane AL Gen?
The head tube angle is 71.3 degrees in size 54cm.
What does the 2026 Trek Domane AL 2 Gen 4 ship with?
The stock build includes Trek Domane AL, Shimano Claris R2000, Bontrager Paradigm SL, and Tektro MD-C550.
Which years of the Trek Domane are in the catalog?
The catalog has the Trek Domane for 2026, 2025, and 2024.
Other frames of the 2026 Domane
Other years of the Domane
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