2020 Quirk Cycles Overland Base

	S	M	L	XL
Stack	592mm	613mm	638mm	659mm
Reach	400mm	424mm	449mm	469mm
Stack to Reach Ratio	1.48:1	1.45:1	1.42:1	1.41:1
Seat Tube Length, C-T	490mm	500mm	520mm	550mm
Top Tube Length, Actual C-C	578mm	608mm	641mm	667mm
Top Tube Slope	12.8deg	13.3deg	13.2deg	11.9deg
Head Tube Angle	69.5deg	69.5deg	69.5deg	69.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	90mm	112mm	140mm	162mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	312mm	312mm	312mm	312mm
Chainstay Length	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	435.9mm	435.9mm	435.9mm	435.9mm
Front-Center	655.9mm	687.7mm	722.6mm	749.5mm
Front-Center Horizontal	653.1mm	685.1mm	720.1mm	747.1mm
Wheelbase	1089mm	1121mm	1156mm	1183mm
Fork Offset/Rake	51mm	51mm	51mm	51mm
Trail	84.6mm very high	84.6mm very high	84.6mm very high	84.6mm very high
Mechanical Trail	79.3mm	79.3mm	79.3mm	79.3mm
Wheel Flop	27.8mm	27.8mm	27.8mm	27.8mm
Tire to Pedal Spindle	113.9mm 170 mm cranks	145.8mm 170 mm cranks	180.7mm 170 mm cranks	207.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	142mm 170 mm cranks	142mm 170 mm cranks	142mm 170 mm cranks	142mm 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:https://www.quirkcycles.com/overland

Geometry