2021 Specialized Bicycles Sirrus Carbon 6.0

	XS	S	M	L	XL	XXL
Stack	585mm	602mm	631mm	649mm	687mm	709mm
Reach	355mm	371mm	384mm	386mm	398mm	410mm
Stack to Reach Ratio	1.65:1	1.62:1	1.64:1	1.68:1	1.73:1	1.73:1
Seat Tube Length, C-T	355mm	416mm	453mm	483mm	533mm	563mm
Top Tube Length, Effective/Horizontal HT Top	532mm	554mm	573mm	580mm	603mm	628mm
Top Tube Slope	28.2deg	22.6deg	21deg	19.6deg	17.8deg	16.5deg
Head Tube Angle	70deg	70deg	71deg	71.5deg	72deg	72deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73deg
Head Tube Length	125mm	143mm	169mm	186mm	223mm	246mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	310mm	310mm	310mm	310mm	310mm	310mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.3mm	429.3mm	429.3mm	429.3mm	429.3mm	429.3mm
Front-Center	602mm	625mm	635mm	637mm	656mm	675mm
Front-Center Horizontal	597.7mm	620.7mm	630.7mm	633.7mm	652.7mm	671.7mm
Wheelbase	1027mm	1050mm	1060mm	1063mm	1082mm	1101mm
Fork Offset/Rake	51.9mm	52.7mm	50.6mm	51.2mm	51.5mm	51.4mm
Fork Length, Unknown	390mm	390mm	390mm	390mm	390mm	390mm
Trail	83.1mm very high	82.3mm very high	77.3mm high	73.2mm high	69.3mm high	69.4mm high
Mechanical Trail	78.1mm	77.3mm	73.1mm	69.4mm	65.9mm	66mm
Wheel Flop	26.7mm	26.4mm	23.8mm	22mm	20.4mm	20.4mm
Standover Height	714mm	756mm	788mm	813mm	849mm	875mm
Tire to Pedal Spindle	57mm 165 mm cranks	80mm 165 mm cranks	85mm 170 mm cranks	84.5mm 172.5 mm cranks	103.5mm 172.5 mm cranks	120mm 175 mm cranks
Pedal Spindle to Ground Clearance	145mm 165 mm cranks	145mm 165 mm cranks	140mm 170 mm cranks	137.5mm 172.5 mm cranks	137.5mm 172.5 mm cranks	135mm 175 mm cranks

	XS	S	M	L	XL	XXL
Wheel Size	700mm BSD 700 mm BSD	700mm BSD 700 mm BSD	700mm BSD 700 mm BSD	700mm BSD 700 mm BSD	700mm BSD 700 mm BSD	700mm BSD 700 mm BSD
Tire Width	30mm	30mm	30mm	30mm	30mm	30mm
Tire Outer Diameter	760mm	760mm	760mm	760mm	760mm	760mm
Bike Length with Tires	1787mm	1810mm	1820mm	1823mm	1842mm	1861mm
Crank Length	165mm	165mm	170mm	172.5mm	172.5mm	175mm
Handlebar Width	580mm	580mm	600mm	600mm	620mm	620mm
Stem Length	70mm	70mm	80mm	90mm	100mm	110mm

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/sirrus-6-0/p/174697?color=279694-174697&searchText=90920-1101

Geometry