Name: 2026 Gen 5 Trek Bikes Domane SL 4
Brand: Trek Bikes

	XS	S	M	ML	L	XL
Stack	524mm	555mm	575mm	596mm	618mm	648mm
Reach	368mm	371mm	374mm	377mm	380mm	384mm
Stack to Reach Ratio	1.42:1	1.5:1	1.54:1	1.58:1	1.63:1	1.69:1
Seat Tube Length, C-T	444mm	476mm	500mm	533mm	553mm	593mm
Top Tube Length, Effective/Horizontal Center	520mm	530mm	541mm	553mm	562mm	575mm
Top Tube Slope	11.3deg	11deg	10.5deg	9.2deg	9.3deg	8.2deg
Head Tube Angle	71.3deg	71.1deg	71.2deg	71.9deg	72deg	72.1deg
Seat Tube Angle	73.5deg	73.7deg	73.5deg	73.3deg	73.3deg	73.3deg
Head Tube Length	106mm	139mm	159mm	170mm	192mm	226mm
Bottom Bracket Drop	80mm	80mm	80mm	78mm	78mm	75mm
Bottom Bracket Height	263mm	263mm	263mm	265mm	265mm	268mm
Chainstay Length	420mm	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	412.3mm	412.3mm	412.3mm	412.7mm	412.7mm	413.3mm
Front-Center	580mm	595mm	604mm	602mm	611mm	624mm
Front-Center Horizontal	574.7mm	589.7mm	598.7mm	597.3mm	606.3mm	619.8mm
Wheelbase	987mm	1002mm	1011mm	1010mm	1019mm	1033mm
Fork Offset/Rake	53.4mm	53mm	53.2mm	48.5mm	48.4mm	48.2mm
Trail	59.7mm mid/neutral	61.4mm mid/neutral	60.6mm mid/neutral	61.1mm mid/neutral	60.6mm mid/neutral	60.1mm mid/neutral
Mechanical Trail	56.5mm	58.1mm	57.4mm	58.1mm	57.6mm	57.2mm
Wheel Flop	18.1mm	18.8mm	18.5mm	18.1mm	17.8mm	17.6mm
Standover Height	721mm	753mm	775mm	805mm	826mm	863mm
Tire to Pedal Spindle	72mm 165 mm cranks	87mm 165 mm cranks	96mm 165 mm cranks	94mm 165 mm cranks	98mm 170 mm cranks	111mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 165 mm cranks	98mm 165 mm cranks	98mm 165 mm cranks	100mm 165 mm cranks	95mm 170 mm cranks	98mm 170 mm cranks

	XS	S	M	ML	L	XL
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	700C/29 in 622 mm BSD
Tire Width	32mm	32mm	32mm	32mm	32mm	32mm
Tire Width Max	40mm	40mm	40mm	40mm	40mm	40mm
Tire Outer Diameter	686mm	686mm	686mm	686mm	686mm	686mm
Bike Length with Tires	1673mm	1688mm	1697mm	1696mm	1705mm	1719mm
Crank Length	165mm	165mm	165mm	165mm	170mm	170mm
Handlebar Width	36cm	38cm	40cm	40cm	42cm	42cm
Stem Length	80cm	90cm	100cm	110cm	110cm	120cm
Stem Angle	-7deg	-7deg	-7deg	-7deg	-7deg	-7deg

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.

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2026 Gen 5 Trek Bikes Domane SL 4

Geometry