2019 Specialized Bicycles Women's Sirrus Expert Carbon

	S	M	L	XL
Stack	585mm	619mm	631mm	649mm
Reach	355mm	366mm	384mm	386mm
Stack to Reach Ratio	1.65:1	1.69:1	1.64:1	1.68:1
Seat Tube Length, C-T	355mm	410mm	452.8mm	483mm
Top Tube Length, Effective/Horizontal HT Top	532mm	552mm	573mm	580mm
Top Tube Slope	28.2deg	25.1deg	21deg	19.6deg
Head Tube Angle	70deg	71deg	71deg	71.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	125mm	156mm	169mm	186mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	271mm	271mm	271mm	271mm
Chainstay Length	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.3mm	429.3mm	429.3mm	429.3mm
Front-Center	602mm	613mm	635mm	637mm
Front-Center Horizontal	597.7mm	609.7mm	630.7mm	633.7mm
Wheelbase	1027mm	1039mm	1060mm	1063mm
Fork Offset/Rake	51mm	51mm	51mm	51mm
Fork Length (On-Axis)	390mm	390mm	390mm	390mm
Trail	69.8mm high	63.5mm mid/neutral	63.5mm mid/neutral	60.3mm mid/neutral
Mechanical Trail	65.6mm	60mm	60mm	57.2mm
Wheel Flop	22.5mm	19.5mm	19.5mm	18.2mm
Standover Height	714mm	761mm	788mm	813mm
Tire to Pedal Spindle	96mm 165 mm cranks	102mm 170 mm cranks	124mm 170 mm cranks	123.5mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	106mm 165 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	98.5mm 172.5 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/us/en/womens-sirrus-expert-carbon/p/154529?color=240215-154529

Geometry