2020 Bjorn Bikes Recycled Base

	S	M	M-L	L	XL
Stack	555mm	574mm	592.8mm	611.4mm	619.8mm
Reach	390.7mm	405.4mm	420mm	434.7mm	449.4mm
Stack to Reach Ratio	1.42:1	1.42:1	1.41:1	1.41:1	1.38:1
Seat Tube Length, C-C	460mm	480mm	500mm	520mm	540mm
Top Tube Length, Effective/Horizontal Center	550mm	570mm	590mm	610mm	630mm
Head Tube Angle	69deg	69deg	69deg	69deg	69deg
Seat Tube Angle	74deg	74deg	74deg	74deg	74deg
Head Tube Length	125mm	144mm	165mm	185mm	200mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm	75mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	631mm	654.8mm	674.7mm	695.6mm	716.5mm
Front-Center Horizontal	626.5mm	650.5mm	670.5mm	691.5mm	712.5mm
Wheelbase	1055mm	1079mm	1099mm	1120mm	1141mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	83.1mm very high	83.1mm very high	83.1mm very high	83.1mm very high	83.1mm very high
Mechanical Trail	77.6mm	77.6mm	77.6mm	77.6mm	77.6mm
Wheel Flop	27.8mm	27.8mm	27.8mm	27.8mm	27.8mm
Standover Height	765mm	748mm	802.8mm	821.2mm	839.6mm
Tire to Pedal Spindle	105mm 170 mm cranks	128.8mm 170 mm cranks	148.7mm 170 mm cranks	169.6mm 170 mm cranks	190.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 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:Bjorn Bikes

Geometry