2021 Stevens Bikes Super Flight Base

	48	52	55	58	61	64
Stack	560mm	590mm	609mm	632mm	653mm	663mm
Reach	392mm	387mm	396mm	404mm	410mm	421mm
Stack to Reach Ratio	1.43:1	1.52:1	1.54:1	1.56:1	1.59:1	1.57:1
Seat Tube Length, C-T	480mm	520mm	550mm	580mm	610mm	640mm
Seat Tube Length, C-TTT	415mm	456mm	486mm	517mm	547mm	577mm
Seat Tube Length, Effective HT Top	584mm	619mm	639mm	663mm	685mm	695mm
Top Tube Length, Effective/Horizontal HT Top	560mm	575mm	590mm	604mm	617mm	630mm
Top Tube Length, Actual C-C	537mm	549mm	565mm	580mm	593mm	610mm
Top Tube Slope	10.7deg	9.8deg	8.6deg	7.8deg	6.8deg	4.9deg
Head Tube Angle	69.5deg	70deg	70deg	71deg	71.5deg	71.5deg
Seat Tube Angle	73.5deg	72.5deg	72.5deg	72.5deg	72.5deg	72.5deg
Head Tube Length	130mm	160mm	180mm	200mm	220mm	230mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm	281mm
Chainstay Length	457mm	457mm	457mm	457mm	457mm	457mm
Chainstay Length Horizontal	451.6mm	451.6mm	451.6mm	451.6mm	451.6mm	451.6mm
Front-Center	632.3mm	633.3mm	640.2mm	654.2mm	662.1mm	670.1mm
Front-Center Horizontal	628.4mm	629.4mm	636.4mm	650.4mm	658.4mm	666.4mm
Wheelbase	1080mm	1081mm	1088mm	1102mm	1110mm	1118mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm
Trail	83.2mm very high	79.9mm high	79.9mm high	73.3mm high	70mm high	70mm high
Mechanical Trail	77.9mm	75.1mm	75.1mm	69.3mm	66.4mm	66.4mm
Wheel Flop	27.3mm	25.7mm	25.7mm	22.6mm	21.1mm	21.1mm
Standover Height	723mm	758mm	781mm	808mm	834mm	857mm
Tire to Pedal Spindle	111.3mm 170 mm cranks	112.3mm 170 mm cranks	114.2mm 175 mm cranks	128.2mm 175 mm cranks	136.1mm 175 mm cranks	144.1mm 175 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	106mm 175 mm cranks	106mm 175 mm cranks	106mm 175 mm cranks	106mm 175 mm cranks

	48	52	55	58	61	64
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	40mm	40mm	40mm	40mm	40mm	40mm
Tire Outer Diameter	702mm	702mm	702mm	702mm	702mm	702mm
Bike Length with Tires	1782mm	1783mm	1790mm	1804mm	1812mm	1820mm
Crank Length	170mm	170mm	175mm	175mm	175mm	175mm
Handlebar Width	640mm	640mm	640mm	640mm	640mm	640mm
Stem Length	90mm	100mm	100mm	110mm	120mm	120mm
Stem Angle	17deg	17deg	17deg	17deg	17deg	17deg

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

Commuter

Source:https://www.stevensbikes.de/2021/index.php?bik_id=73

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2021 Stevens Bikes Super Flight Base

Geometry

Base Build

Stack and Reach vs. Category Trend