2019 Specialized Bicycles Men's Sirrus Sport

	S	M	M	L	XL	XXL
Stack	564mm	593mm	593mm	611mm	639mm	670mm
Reach	388mm	400mm	400mm	402mm	414mm	426mm
Stack to Reach Ratio	1.45:1	1.48:1	1.48:1	1.52:1	1.54:1	1.57:1
Seat Tube Length, C-T	415mm	455mm	455mm	495mm	535mm	565mm
Top Tube Length, Effective/Horizontal HT Top	555mm	576mm	576mm	583mm	604mm	631mm
Top Tube Slope	18.2deg	16.5deg	16.5deg	14.1deg	12.6deg	12.4deg
Head Tube Angle	70deg	71deg	71deg	71.5deg	72deg	72deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73deg
Head Tube Length	153mm	179mm	179mm	196mm	223mm	256mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	273mm	273mm	273mm	273mm	273mm	273mm
Chainstay Length	440mm	440mm	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	434.4mm	434.4mm	434.4mm	434.4mm	434.4mm	434.4mm
Front-Center	626mm	638mm	638mm	641mm	656mm	679mm
Front-Center Horizontal	622.6mm	634.6mm	634.6mm	637.6mm	652.6mm	674.6mm
Wheelbase	1057mm	1069mm	1069mm	1072mm	1087mm	1109mm
Fork Offset/Rake	51mm	51mm	51mm	51mm	51mm	51mm
Fork Length (Axle-To-Crown)	390mm	390mm	390mm	390mm	390mm	390mm
Trail	70.6mm high	64.2mm mid/neutral	64.2mm mid/neutral	61mm mid/neutral	57.8mm mid/neutral	57.8mm mid/neutral
Mechanical Trail	66.3mm	60.7mm	60.7mm	57.8mm	55mm	55mm
Wheel Flop	22.7mm	19.8mm	19.8mm	18.4mm	17mm	17mm
Standover Height	735mm	775mm	775mm	805mm	845mm	875mm
Tire to Pedal Spindle	113mm 170 mm cranks	125mm 170 mm cranks	125mm 170 mm cranks	125.5mm 172.5 mm cranks	140.5mm 172.5 mm cranks	161mm 175 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks	100.5mm 172.5 mm cranks	100.5mm 172.5 mm cranks	98mm 175 mm cranks

	S	M	M	L	XL	XXL
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm	32mm	32mm	32mm	32mm
Tire Outer Diameter	686mm	686mm	686mm	686mm	686mm	686mm
Bike Length with Tires	1743mm	1755mm	1755mm	1758mm	1773mm	1795mm
Crank Length	170mm	170mm	170mm	172.5mm	172.5mm	175mm
Handlebar Width	580mm	580mm	580mm	600mm	620mm	620mm
Stem Length	80mm	90mm	90mm	100mm	100mm	110mm
Stem Angle	7deg	7deg	7deg	7deg	7deg	7deg

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.

Learn more about the Upright/Aggressive Scale

Category Trend

Fitness

Source:https://www.specialized.com/us/en/mens-sirrus-sport/p/154511?color=225852-154511, https://www.specialized.com/us/en/sirrus-3-0/p/200208?color=322025-200208&searchText=90920-7703

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2019 Specialized Bicycles Men's Sirrus Sport

Geometry

Sport Build

Stack and Reach vs. Category Trend