Models · Trek · Domane

Trek Domane AL Gen 4 (2024)

endurance road · aluminium · sizes 44–61 Manufacturer’s website

Geometry ?

Trek Domane AL Gen 4 2024 geometry in sizes 44–61: stack 510–646 mm, reach 360–385 mm, head angle 70.3–72.1°.

	44	49	52	54	56	58	61
Stack	510 mm	540 mm	561 mm	575 mm	591 mm	611 mm	646 mm
Reach	360 mm	368 mm	371 mm	374 mm	377 mm	380 mm	385 mm
Head angle	70.3°	70.8°	71.3°	71.3°	71.9°	72°	72.1°
Seat angle	74.6°	74.6°	74.2°	73.7°	73.3°	73°	72.7°
Seat tube (c-t)	390 mm	440 mm	475 mm	500 mm	525 mm	548 mm	576 mm
Head tube	95 mm	123 mm	145 mm	160 mm	175 mm	195 mm	235 mm
Top tube (effective)	507 mm	516 mm	530 mm	542 mm	554 mm	567 mm	586 mm
BB drop	80 mm	80 mm	80 mm	80 mm	78 mm	78 mm	75 mm
Chainstay	420 mm	425 mm	420 mm	420 mm	420 mm	425 mm	425 mm
Wheelbase	983 mm	1001 mm	1003 mm	1010 mm	1018 mm	1022 mm	1038 mm
Standover	657 mm	717 mm	735 mm	754 mm	776 mm	796 mm	842 mm
Fork offset	53 mm	53 mm	53 mm	53 mm	48 mm	48 mm	48 mm
Stock build by size
Cranks Domane AL 5 Gen 4	160 mm	160 mm	165 mm	165 mm	165 mm	170 mm	170 mm
Cranks Domane AL 4 Gen 4	165 mm	165 mm	165 mm	165 mm	165 mm	170 mm	170 mm
Cranks Domane AL 2 Gen 4	165 mm	165 mm	165 mm	165 mm	165 mm	175 mm	175 mm
Stem	70 mm	80 mm	90 mm	90 mm	100 mm	100 mm	110 mm
Stem angle	−7°	−7°	−7°	−7°	−7°	−7°	−7°
Bar width	400 mm	420 mm	420 mm	440 mm	440 mm	440 mm	460 mm
Seatpost setback	8 mm	8 mm	8 mm	8 mm	8 mm	8 mm	8 mm

Source: api.trekbikes.com, checked 1 Nov 2026 · bar position: worked out from published data

Older model years in the archive: Trek Domane AL rim 2021–2025, Trek Lexa 2017

Stock build

Domane AL 5 Gen 4

Groupset: Shimano 105 R7120, 12-speed
Stem: Bontrager Elite, 31.8 mm, 7°
Handlebar: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop
Seatpost: Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length
Saddle: Verse Short Comp, steel rails, 145 mm width

Domane AL 4 Gen 4

Groupset: Shimano Tiagra R4020
Stem: Bontrager Elite, 31.8 mm, 7°
Handlebar: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop
Seatpost: Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length
Saddle: Verse Short Comp, steel rails, 145 mm width

Domane AL 2 Gen 4

Groupset: Shimano Claris ST-R2000, 8-speed
Stem: Bontrager Elite, 31.8 mm, 7°
Handlebar: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop
Seatpost: Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length
Saddle: Verse Short Comp, steel rails, 145 mm width

Source for all builds: trekbikes.com, checked 1 Nov 2026

Frames with similar geometry

Stack and reach within 12 mm of size 54 (stack 575 / reach 374 mm).

Trek Domane SL / SLR Gen 5 (2027)size M · stack 575 / reach 374 mm Trek Domane SL Gen 4 (2023)size 54 · stack 575 / reach 374 mm Co-Motion Camino (2026)size 56 · stack 576 / reach 374 mm Nordest Miranda Ti (2026)size 54 · stack 574 / reach 374 mm Author Charisma (2025)size 50 cm (M) · stack 574 / reach 375 mm Pinarello X (X9 / X7 / X5 / X3) (2027)size 53 · stack 576 / reach 372 mm

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