2024 Forbidden Bike Co. Dreadnought v2 Base

	S1	S2	S3	S4
Stack	615mm	628mm	642mm	655mm
Reach	435mm	455mm	475mm	495mm
Stack to Reach Ratio	1.41:1	1.38:1	1.35:1	1.32:1
Seat Tube Length, Unknown	400mm	420mm	440mm	470mm
Top Tube Length, Effective/Horizontal Center	571mm	594mm	617mm	640mm
Top Tube Slope	23deg	21.6deg	20.4deg	18.2deg
Head Tube Angle	63.5deg	63.5deg	63.5deg	63.5deg
Seat Tube Angle	74.5deg	76.3deg	77.5deg	77.5deg
Effective Seat Tube Angle, Unknown	77.5deg	77.5deg	77.5deg	77.5deg
Head Tube Length	90mm	105mm	120mm	135mm
Bottom Bracket Drop	16.6mm	13.1mm	7.7mm	23.4mm
Bottom Bracket Height	357.9mm	361.4mm	366.8mm	351.1mm
Chainstay Length	431mm	446mm	460mm	475mm
Chainstay Length Horizontal	430.7mm	445.8mm	459.9mm	474.4mm
Front-Center	776mm	802mm	829mm	856mm
Front-Center Horizontal	775.8mm	801.9mm	829mm	855.7mm
Wheelbase	1206.5mm	1247.7mm	1288.9mm	1330.1mm
Fork Offset/Rake	42mm	42mm	42mm	44mm
Fork Length (On-Axis)	586mm	586mm	586mm	586mm
Trail	139.8mm very high	139.8mm very high	139.8mm very high	137.6mm very high
Mechanical Trail	125.1mm	125.1mm	125.1mm	123.1mm
Wheel Flop	55.8mm	55.8mm	55.8mm	54.9mm
Standover Height	771mm	775mm	777mm	780mm
Tire to Pedal Spindle	231.5mm 170 mm cranks	257.5mm 170 mm cranks	284.5mm 170 mm cranks	311.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	187.9mm 170 mm cranks	191.4mm 170 mm cranks	196.8mm 170 mm cranks	181.1mm 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://forbiddenbike.com/bikes/dreadnought/

Geometry