2023 Poseidon Bike X Ambition Flatbar

	S	M	L	XL	XXL
Stack	552.6mm	579.4mm	596.4mm	619.3mm	638.3mm
Reach	370.6mm	373.8mm	372.7mm	375.4mm	408.3mm
Stack to Reach Ratio	1.49:1	1.55:1	1.6:1	1.65:1	1.56:1
Seat Tube Length, C-T	490mm	510mm	530mm	550mm	580mm
Top Tube Length, Effective/Horizontal Center	506.7mm	519.9mm	533.2mm	546.6mm	591.8mm
Top Tube Length, Effective/Horizontal HT Top	520mm	535mm	550mm	565mm	610mm
Head Tube Angle	69deg	71deg	71deg	72deg	72deg
Seat Tube Angle	75deg	74.5deg	73.5deg	73deg	72.5deg
Head Tube Length	120mm	140mm	160mm	180mm	200mm
Bottom Bracket Drop	67mm	67mm	65mm	65mm	65mm
Bottom Bracket Height	284mm	284mm	286mm	286mm	286mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	419.7mm	419.7mm	420mm	420mm	420mm
Front-Center	609mm	601.6mm	607mm	606.7mm	645.5mm
Front-Center Horizontal	605.2mm	597.8mm	603.2mm	602.8mm	641.9mm
Wheelbase	1024.9mm	1017.5mm	1023.2mm	1022.8mm	1061.9mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Fork Length, Unknown	400mm	400mm	400mm	400mm	400mm
Trail	86.5mm very high	73.3mm high	73.3mm high	66.7mm high	66.7mm high
Mechanical Trail	80.8mm	69.3mm	69.3mm	63.5mm	63.5mm
Wheel Flop	29mm	22.6mm	22.6mm	19.6mm	19.6mm
Standover Height	739mm	760.6mm	781.9mm	803.1mm	823.9mm
Tire to Pedal Spindle	88mm 170 mm cranks	80.6mm 170 mm cranks	86mm 170 mm cranks	85.7mm 170 mm cranks	124.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	114mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 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.

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Source:poseidonbike.com

Geometry