Which size or configuration labels have geometry for the 2025 Trek Domane AL Gen 4?

Geometry is listed for 44, 49, 52, 54, 56, 58, and 61.

What are the reach and stack of the 2025 Trek Domane AL Gen 4 in size 54?

In size 54, reach is 374 mm and stack is 575 mm.

What is the head tube angle of the 2025 Trek Domane AL Gen 4?

The head tube angle is 71.3 degrees in size 54.

What does the 2025 Trek Domane AL 2 Gen 4 ship with?

The stock build includes Trek Domane AL and Bontrager Paradigm 23.

Which years of the Trek Domane are on Quiver?

Quiver has the Trek Domane for 2025, 2027, 2026, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

2025

2025 Trek Domane AL Gen 4

Road

The 2025 Trek Domane AL Gen 4 sits more upright than most road bikes, with a slacker head angle. Reach 360 to 385 mm, stack 510 to 646 mm. The Domane AL 2 Gen 4 build comes with Bontrager Paradigm 23 wheels.

Compare with 1,800+ road bikes

Source: trekbikes.com. Checked Oct 7, 2026.

Key facts

Brand: Trek
Model: Domane
Model year: 2025
Frame: AL Gen 4
Type: Road
Geometry labels: 44, 49, 52, 54, 56, 58, and 61
Fork: Trek Domane AL
Wheels: Bontrager Paradigm 23
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 7, 2026

Geometry by size

2025 Trek Domane AL Gen 4 geometry by size
Measurement	44	49	52	54	56	58	61
Reach(mm)	360	368	371	374	377	380	385
Stack(mm)	510	540	561	575	591	611	646
Head tube angle(°)	70.3	70.8	71.3	71.3	71.9	72.0	72.1
Effective top tube(mm)	507	516	530	542	554	567	586
Chainstay length(mm)	420	425	420	420	420	425	425
Wheelbase(mm)	983	1001	1003	1010	1018	1022	1038
BB drop(mm)	80	80	80	80	78	78	75
Standover(mm)	657	717	735	754	776	796	842
Seat tube length(mm)	390	440	475	500	525	548	576
Head tube length(mm)	95	123	145	160	175	195	235

How to read a geometry chart

Stock build

Domane AL 2 Gen 43 parts

Suspension

Trek Domane AL

Fork

Wheels & Tires

Bontrager Paradigm 23

WheelsetInternal rim width 23mmSpoke count 24

Bontrager Kwaremont Comp

Tire

Keep your Domane AL 2 Gen 4 in Quiver

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Domane AL 5 Gen 4

No stock build on file yet.

Requested. Requests decide what we research next.

Keep your Domane AL 5 Gen 4 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App Store Free on Google PlayFree for your first bike, on iPhone and Android.

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Manufacturer

Keep the factory build and your current parts distinct

Quick answers

Which size or configuration labels have geometry for the 2025 Trek Domane AL Gen 4?: Geometry is listed for 44, 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2025 Trek Domane AL Gen 4 in size 54?: In size 54, reach is 374 mm and stack is 575 mm.
What is the head tube angle of the 2025 Trek Domane AL Gen 4?: The head tube angle is 71.3 degrees in size 54.
What does the 2025 Trek Domane AL 2 Gen 4 ship with?: The stock build includes Trek Domane AL and Bontrager Paradigm 23.
Which years of the Trek Domane are on Quiver?: Quiver has the Trek Domane for 2025, 2027, 2026, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.