2017 Van Nicholas boreas Base

	48.0	51.0	54.0	56.0	58.0	60.0	62.0
Stack	519mm	533mm	554mm	567mm	582mm	600mm	626mm
Reach	373mm	378mm	378mm	384mm	385mm	388mm	397mm
Stack to Reach Ratio	1.39:1	1.41:1	1.47:1	1.48:1	1.51:1	1.55:1	1.58:1
Seat Tube Length, C-T	460mm	490mm	520mm	540mm	560mm	580mm	600mm
Seat Tube Length, C-C	425mm	455mm	485mm	505mm	525mm	545mm	565mm
Top Tube Length, Effective/Horizontal Center	518mm	527mm	543mm	558mm	569mm	582mm	592mm
Top Tube Length, Actual C-C	502mm	512mm	529mm	544mm	555mm	568mm	579mm
Top Tube Slope	9.4deg	8.2deg	6.3deg	5.8deg	5.4deg	5deg	4.5deg
Head Tube Angle	71.5deg	71.5deg	72deg	72.5deg	72.5deg	73deg	73deg
Seat Tube Angle	74.5deg	74.5deg	73.5deg	73deg	72.5deg	72deg	72deg
Head Tube Length	115mm	130mm	150mm	165mm	180mm	195mm	225mm
Bottom Bracket Drop	68.9mm	72.5mm	72.5mm	53.9mm	54mm	73.1mm	69.9mm
Bottom Bracket Height	270.1mm	266.5mm	266.5mm	285.1mm	285mm	266mm	269.1mm
Chainstay Length	409mm	409mm	409mm	412mm	412mm	412mm	412mm
Chainstay Length Horizontal	403.2mm	402.5mm	402.5mm	408.5mm	408.5mm	405.5mm	406mm
Front-Center	572mm	582mm	585mm	590mm	596mm	599mm	608mm
Front-Center Horizontal	567.8mm	577.5mm	580.5mm	587.5mm	593.6mm	594.5mm	604mm
Wheelbase	971mm	980mm	983mm	996mm	1002mm	1000mm	1010mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm	43mm	43mm
Trail	68.1mm high	68.1mm high	64.9mm mid/neutral	61.8mm mid/neutral	61.8mm mid/neutral	58.7mm mid/neutral	58.7mm mid/neutral
Mechanical Trail	64.6mm	64.6mm	61.8mm	58.9mm	58.9mm	56.1mm	56.1mm
Wheel Flop	20.5mm	20.5mm	19.1mm	17.7mm	17.7mm	16.4mm	16.4mm
Tire to Pedal Spindle	63mm 170 mm cranks	73mm 170 mm cranks	76mm 170 mm cranks	81mm 170 mm cranks	87mm 170 mm cranks	90mm 170 mm cranks	99mm 170 mm cranks
Pedal Spindle to Ground Clearance	100.1mm 170 mm cranks	96.5mm 170 mm cranks	96.5mm 170 mm cranks	115.1mm 170 mm cranks	115mm 170 mm cranks	96mm 170 mm cranks	99.1mm 170 mm cranks

	48.0	51.0	54.0	56.0	58.0	60.0	62.0
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	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1649mm	1658mm	1661mm	1674mm	1680mm	1678mm	1688mm

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

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Source:https://geometrygeeks.bike/bike/van-nicholas-boreas-2017/

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2017 Van Nicholas boreas Base

Geometry

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Stack and Reach vs. Category Trend