2011 Specialized Bicycles Sirrus Elite Disc

	L	XS	S	M	XL
Stack	650mm	—	—	—	—
Reach	370mm	—	—	—	—
Stack to Reach Ratio	1.76:1	—	—	—	—
Seat Tube Length, C-T	530mm	430mm	470mm	500mm	570mm
Seat Tube Length, Unknown	350mm	300mm	350mm	350mm	350mm
Top Tube Length, Effective/Horizontal Center	580mm	530mm	545mm	560mm	600mm
Top Tube Slope	15.2deg	—	—	—	—
Head Tube Angle	72deg	70deg	71.25deg	71.5deg	72.5deg
Seat Tube Angle	73.5deg	76deg	75deg	74deg	73deg
Head Tube Length	215mm	135mm	155mm	185mm	250mm
Bottom Bracket Drop	70mm	76mm	74mm	70mm	70mm
Bottom Bracket Height	273mm	267mm	269mm	273mm	273mm
Chainstay Length	445mm	445mm	445mm	445mm	445mm
Chainstay Length Horizontal	439.5mm	438.5mm	438.8mm	439.5mm	439.5mm
Front-Center	630mm	614mm	613mm	619mm	641mm
Front-Center Horizontal	616.5mm	603.5mm	599.2mm	615.5mm	626.5mm
Wheelbase	1056mm	1042mm	1038mm	1055mm	1066mm
Fork Offset/Rake	51mm	51mm	51mm	51mm	51mm
Trail	57.8mm mid/neutral	70.6mm high	62.6mm mid/neutral	61mm mid/neutral	54.7mm mid/neutral
Mechanical Trail	55mm	66.3mm	59.3mm	57.8mm	52.1mm
Wheel Flop	17mm	22.7mm	19.1mm	18.4mm	15.7mm
Standover Height	832mm	742mm	774mm	806mm	868mm
Tire to Pedal Spindle	112mm 175 mm cranks	101mm 170 mm cranks	100mm 170 mm cranks	101mm 175 mm cranks	123mm 175 mm cranks
Pedal Spindle to Ground Clearance	98mm 175 mm cranks	97mm 170 mm cranks	99mm 170 mm cranks	98mm 175 mm cranks	98mm 175 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/dk/en/sirrus-elite-disc/p/33441?color=36401-33441&searchText=9019-5904

Geometry