2023 Defender Variant Base

	S	M	L	XL
Stack	542mm	558mm	575mm	596mm
Reach	375mm	380mm	390mm	400mm
Stack to Reach Ratio	1.45:1	1.47:1	1.47:1	1.49:1
Seat Tube Length, Unknown	450mm	470mm	490mm	510mm
Top Tube Length, Effective/Horizontal Unknown	525mm	545mm	560mm	577mm
Top Tube Slope	12.3deg	11.8deg	11.2deg	11.1deg
Head Tube Angle	70deg	70.3deg	70.5deg	72deg
Seat Tube Angle	74.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	120mm	135mm	150mm	170mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	283mm	283mm	283mm	283mm
Chainstay Length	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.3mm	429.3mm	429.3mm	429.3mm
Front-Center	604mm	612mm	625mm	628mm
Front-Center Horizontal	599.7mm	607.7mm	620.7mm	623.7mm
Wheelbase	1029mm	1037mm	1050mm	1053mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm
Trail	75.3mm high	73.3mm high	72mm high	62.1mm mid/neutral
Mechanical Trail	70.7mm	69mm	67.8mm	59.1mm
Wheel Flop	24.2mm	23.3mm	22.6mm	18.3mm
Tire to Pedal Spindle	81mm 170 mm cranks	89mm 170 mm cranks	102mm 170 mm cranks	105mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 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.defenderbikes.com/variant

Geometry