2023 BMC Switzerland Urbanchallenge 3

	S	M	L	XL
Stack	560mm	590mm	620mm	650mm
Reach	400mm	415mm	425mm	440mm
Stack to Reach Ratio	1.4:1	1.42:1	1.46:1	1.48:1
Seat Tube Length, Unknown	480mm	510mm	540mm	555mm
Top Tube Length, Effective/Horizontal Unknown	560mm	584mm	603mm	626mm
Top Tube Slope	10.5deg	10.2deg	10deg	11.1deg
Head Tube Angle	70deg	70deg	70deg	70deg
Seat Tube Angle	74deg	74deg	74deg	74deg
Head Tube Length	133mm	165mm	197mm	229mm
Bottom Bracket Drop	67mm	67mm	67mm	67mm
Bottom Bracket Height	281mm	281mm	281mm	281mm
Chainstay Length	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	434.9mm	434.9mm	434.9mm	434.9mm
Front-Center	631mm	657mm	677mm	703mm
Front-Center Horizontal	627.1mm	653.1mm	674.1mm	700.1mm
Wheelbase	1062mm	1088mm	1109mm	1135mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	408mm	408mm	408mm	408mm
Trail	78.8mm high	78.8mm high	78.8mm high	78.8mm high
Mechanical Trail	74mm	74mm	74mm	74mm
Wheel Flop	25.3mm	25.3mm	25.3mm	25.3mm
Standover Height	760mm	790mm	819mm	838mm
Tire to Pedal Spindle	113mm 170 mm cranks	139mm 170 mm cranks	154mm 175 mm cranks	180mm 175 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	106mm 175 mm cranks	106mm 175 mm cranks

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.

Category Trend

Source:https://www.balfesbikes.co.uk/dpt/pgr/bmc-257-urbanchallenge-al-three-nexus-8-hybrid-bike-2023-in-powder-grey__44452

Geometry