2015 Genesis Bikes Borough Base

	50cm	52cm	54cm	56cm	58cm	60cm
Stack	543mm	548mm	564mm	578mm	593mm	609mm
Reach	374mm	378mm	383mm	388mm	396mm	402mm
Stack to Reach Ratio	1.45:1	1.45:1	1.47:1	1.49:1	1.5:1	1.51:1
Seat Tube Length, C-T	500mm	520mm	540mm	560mm	580mm	600mm
Top Tube Length, Effective/Horizontal Unknown	527mm	532mm	547mm	562mm	580mm	591mm
Top Tube Slope	6.9deg	5.2deg	4.8deg	4.3deg	3.9deg	3.5deg
Head Tube Angle	71.5deg	71.5deg	72deg	72deg	72deg	72.5deg
Seat Tube Angle	74.5deg	74.5deg	74deg	73.5deg	73deg	73deg
Head Tube Length	110mm	115mm	130mm	145mm	160mm	175mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm	281mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm	419.2mm
Front-Center	587mm	593mm	597.9mm	607.9mm	615.8mm	625.7mm
Front-Center Horizontal	582.8mm	588.8mm	593.8mm	603.8mm	611.8mm	621.8mm
Wheelbase	1002mm	1008mm	1013mm	1023mm	1031mm	1041mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm
Trail	70mm high	70mm high	66.7mm high	66.7mm high	66.7mm high	63.5mm mid/neutral
Mechanical Trail	66.4mm	66.4mm	63.5mm	63.5mm	63.5mm	60.6mm
Wheel Flop	21.1mm	21.1mm	19.6mm	19.6mm	19.6mm	18.2mm
Standover Height	773mm	786mm	804mm	821mm	838mm	855mm
Tire to Pedal Spindle	66mm 170 mm cranks	72mm 170 mm cranks	74.4mm 172.5 mm cranks	84.4mm 172.5 mm cranks	89.8mm 175 mm cranks	99.7mm 175 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	108.5mm 172.5 mm cranks	108.5mm 172.5 mm cranks	106mm 175 mm cranks	106mm 175 mm cranks

	50cm	52cm	54cm	56cm	58cm	60cm
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	1704mm	1710mm	1715mm	1725mm	1733mm	1743mm
Crank Length	170mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	400mm	400mm	420mm	420mm	440mm	440mm
Stem Length	90mm	100mm	100mm	110mm	120mm	120mm

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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Source:Wwwm.com

Geometry