2024 Specialized Bicycles Sirrus X 2.0 Step-Through

	XS	S	M
Stack	555mm	563mm	593mm
Reach	393mm	400mm	408mm
Stack to Reach Ratio	1.41:1	1.41:1	1.45:1
Seat Tube Length, Unknown	395mm	450mm	500mm
Top Tube Length, Effective/Horizontal Unknown	557mm	567mm	584mm
Top Tube Slope	19.2deg	14deg	11.7deg
Head Tube Angle	70deg	70deg	71deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg
Head Tube Length	139mm	147mm	175mm
Bottom Bracket Drop	70mm	70mm	70mm
Bottom Bracket Height	283mm	283mm	283mm
Chainstay Length	440mm	440mm	440mm
Chainstay Length Horizontal	434.4mm	434.4mm	434.4mm
Front-Center	628mm	637mm	646mm
Front-Center Horizontal	623.6mm	633.6mm	642.6mm
Wheelbase	1058mm	1068mm	1077mm
Fork Offset/Rake	51mm	51mm	51mm
Fork Length, Unknown	395mm	395mm	395mm
Trail	74.2mm high	74.2mm high	67.6mm high
Mechanical Trail	69.7mm	69.7mm	63.9mm
Wheel Flop	23.9mm	23.9mm	20.8mm
Standover Height	636mm	636mm	641mm
Tire to Pedal Spindle	105mm 170 mm cranks	114mm 170 mm cranks	123mm 170 mm cranks
Pedal Spindle to Ground Clearance	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.specialized.com/fi/fi/sirrus-x-20-step-through/p/216896?color=349818-216896

Geometry