Trek Domane AL 3 Disc

An all-round road bike from 2023, made in 7 sizes from 44 to 61.

Size

Stack 575 mmReach 374 mm

Geometry

Trek Domane AL 3 Disc geometry by frame size
Size
Fit
Stack (mm)How high the front sits	510	540	561	575	591	611	646
Reach (mm)How far forward the bars start	360	368	371	374	377	380	385
Stack ÷ reach Higher = more upright	1.42	1.47	1.51	1.54	1.57	1.61	1.68
Top tube (effective) (mm)Horizontal top-tube length	500	517	530	542	554	567	586
Seat tube angle Saddle position over the pedals	74.6°	74.6°	74.2°	73.7°	73.3°	73°	72.7°
Seat tube length (mm)Frame size reference	390	440	475	500	525	548	576
Head tube length (mm)Front-end height	95	123	145	160	175	195	235
Standover (mm)Clearance when you stop	657	717	735	754	776	796	842
Handling
Head tube angle Steeper = quicker steering	70.3°	70.8°	71.3°	71.3°	71.9°	72°	72.1°
Fork offset (mm)Fork rake	53	52	54	53	58	49	48
Trail (mm)More = steadier steering	66	66	59	59	61	60	63
Wheelbase (mm)Longer = more stable	983	1001	1003	1010	1018	1022	1038
Chainstay (mm)Shorter = snappier	420	425	420	420	420	425	425
BB drop (mm)More = lower centre of gravity	80	80	80	80	78	78	75
BB height (mm)Pedal clearance in corners	256	256	256	256	258	258	261
Front centre (mm)Room for your toes	576	589	596	603	610	609	624
Other
Weight (kg)Complete bike, as published	10.3	10.3	10.3	10.3	10.3	10.3	10.3

Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.

Between race and comfort. A good fit for sportives, club rides and fast days out.

Size 54 is more upright than 94% of the 218 road frames we track.

The closest road frames from other ranges, against size 54 here.

Bikes with a similar fit, compared with size 54 of this bike
Bike	Size	Stack	Reach
Kross ALTA 2.02026Stack −3 mm, reach −1 mm	M	−3 mm	−1 mm
Cannondale Synapse Carbon 12026Stack −5 mm, reach +7 mm	54	−5 mm	+7 mm
MMR Grand Tour 102026Stack −6 mm, reach +6 mm	M	−6 mm	+6 mm
Canyon Endurace CFR AXS2026Stack −7 mm, reach +1 mm	S	−7 mm	+1 mm
Grind Grit2026Stack −4 mm, reach +4 mm	M	−4 mm	+4 mm
Specialized Roubaix SL8 - Shimano Tiagra2027Stack −9 mm, reach −4 mm	52	−9 mm	−4 mm

These builds share this exact geometry, so they fit the same.