2017 Eddy Merckx Roubaix 70 Base

	XXS	XS	S	M	L	XL	XXL
Stack	505mm	532mm	559mm	576mm	592mm	606mm	633mm
Reach	355mm	365mm	375mm	384mm	392mm	402mm	415mm
Stack to Reach Ratio	1.42:1	1.46:1	1.49:1	1.5:1	1.51:1	1.51:1	1.53:1
Seat Tube Length, C-T	490mm	520mm	540mm	560mm	580mm	600mm	630mm
Top Tube Length, Effective/Horizontal Center	497mm	514mm	537mm	555mm	573mm	588mm	614mm
Top Tube Slope	3.9deg	3.5deg	4.4deg	4.1deg	3.8deg	3.2deg	3.1deg
Head Tube Angle	71.5deg	71.5deg	72deg	72.5deg	73deg	73deg	73.5deg
Seat Tube Angle	74.5deg	74.5deg	74deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	107mm	136mm	165mm	180mm	195mm	215mm	238mm
Bottom Bracket Drop	71mm	71mm	69mm	69mm	69mm	67mm	67mm
Bottom Bracket Height	265mm	265mm	267mm	267mm	267mm	269mm	269mm
Chainstay Length	408mm	408mm	409mm	409mm	409mm	410mm	410mm
Chainstay Length Horizontal	401.8mm	401.8mm	403.1mm	403.1mm	403.1mm	404.5mm	404.5mm
Front-Center	550mm	569mm	584mm	593mm	601mm	616mm	631mm
Front-Center Horizontal	545.2mm	565.2mm	579.9mm	588.9mm	595.9mm	610.5mm	627.5mm
Wheelbase	947mm	967mm	983mm	992mm	999mm	1015mm	1032mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	365mm	365mm	365mm	365mm	365mm	365mm	365mm
Trail	67.1mm high	67.1mm high	64mm mid/neutral	60.9mm mid/neutral	57.8mm mid/neutral	57.8mm mid/neutral	54.7mm mid/neutral
Mechanical Trail	63.6mm	63.6mm	60.8mm	58mm	55.2mm	55.2mm	52.4mm
Wheel Flop	20.2mm	20.2mm	18.8mm	17.5mm	16.2mm	16.2mm	14.9mm
Tire to Pedal Spindle	44mm 170 mm cranks	63mm 170 mm cranks	78mm 170 mm cranks	87mm 170 mm cranks	95mm 170 mm cranks	110mm 170 mm cranks	125mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	95mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks

	XXS	XS	S	M	L	XL	XXL
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	700C/29 in 622 mm BSD
Tire Width	25mm	25mm	25mm	25mm	25mm	25mm	25mm
Tire Outer Diameter	672mm	672mm	672mm	672mm	672mm	672mm	672mm
Bike Length with Tires	1619mm	1639mm	1655mm	1664mm	1671mm	1687mm	1704mm

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

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Source:https://geometrygeeks.bike/bike/merckx-liege-75-2018/

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2017 Eddy Merckx Roubaix 70 Base

Geometry

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Stack and Reach vs. Category Trend