	54	49	52	52	54
Stack	57.5mm	540mm	561mm	561mm	575mm
Reach	37.4mm	368mm	371mm	371mm	374mm
Stack to Reach Ratio	1.54:1	1.47:1	1.51:1	1.51:1	1.54:1
Seat Tube Length, C-TTT	—	—	475mm	475mm	—
Seat Tube Length, Unknown	50mm	440mm	—	—	50mm
Top Tube Length, Effective/Horizontal Unknown	54.2mm	516mm	530mm	530mm	542mm
Top Tube Slope	10.5deg	13.4deg	9.5deg	9.5deg	53.6deg
Head Tube Angle	71.3deg	70.8deg	71.3deg	71.3deg	71.3deg
Seat Tube Angle	73.7deg	74.6deg	74.2deg	74.2deg	73.7deg
Head Tube Length	16mm	123mm	145mm	145mm	160mm
Bottom Bracket Drop	8mm	80mm	80mm	80mm	80mm
Bottom Bracket Height	335mm	263mm	259mm	259mm	263mm
Chainstay Length	42mm	425mm	420mm	420mm	420mm
Chainstay Length Horizontal	41.2mm	417.4mm	412.3mm	412.3mm	412.3mm
Front-Center	60.3mm	589.1mm	596.1mm	596.1mm	603mm
Front-Center Horizontal	59.8mm	583.6mm	590.7mm	590.7mm	597.7mm
Wheelbase	101mm	1001mm	1003mm	1003mm	1010mm
Fork Offset/Rake	5.3mm	53mm	53mm	53mm	53mm
Trail	110.5mm very high	63.3mm mid/neutral	58.8mm mid/neutral	58.8mm mid/neutral	60.2mm mid/neutral
Mechanical Trail	104.7mm	59.8mm	55.7mm	55.7mm	57mm
Wheel Flop	33.6mm	19.7mm	17.9mm	17.9mm	18.3mm
Standover Height	75.4mm	717mm	73.5mm	735mm	754mm
Tire to Pedal Spindle	-452.7mm 170 mm cranks	76.1mm 170 mm cranks	87.1mm 170 mm cranks	87.1mm 170 mm cranks	90mm 170 mm cranks
Pedal Spindle to Ground Clearance	165mm 170 mm cranks	93mm 170 mm cranks	89mm 170 mm cranks	89mm 170 mm cranks	93mm 170 mm cranks

	54	49	52	52	54
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm	28mm	28mm	32mm
Tire Outer Diameter	686mm	686mm	678mm	678mm	686mm
Bike Length with Tires	787mm	1687mm	1681mm	1681mm	1696mm
Crank Length	—	—	170mm	170mm	—
Handlebar Width	—	—	400mm	400cm	—

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

Endurance Road

Source:https://www.trekbikes.com/us/en_US/bikes/road-bikes/performance-road-bikes/domane/domane-al/f/F221-5/domane-al-5-gen-4/41395/5298019, https://www.trekbikes.com/ca/en_CA/bikes/road-bikes/performance-road-bikes/domane/domane-al/f/F221-5/domane-al-5-gen-4/41395/5298010/, https://www.trekbikes.com/in/en_IN/bikes/road-bikes/performance-road-bikes/domane/domane-al/domane-al-5-gen-4/p/41395/

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2024 Trek Bikes Domane AL 5 Gen 4

Geometry

AL 5 Gen 4 Build

Stack and Reach vs. Category Trend