2020 Specialized Bicycles X Comp Carbon Men's Base

	S	M	L	XL	XXL
Stack	602mm	631mm	649mm	687mm	709mm
Reach	371mm	384mm	386mm	398mm	410mm
Stack to Reach Ratio	1.62:1	1.64:1	1.68:1	1.73:1	1.73:1
Seat Tube Length, Unknown	416mm	452.8mm	483mm	533mm	563mm
Top Tube Length, Effective/Horizontal Center	554mm	573mm	580mm	603mm	628mm
Top Tube Slope	22.6deg	21deg	19.6deg	17.8deg	16.5deg
Head Tube Angle	70deg	71deg	71.5deg	72deg	72deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73deg
Head Tube Length	143mm	169mm	186mm	223mm	246mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	276mm	276mm	276mm	276mm	276mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.3mm	429.3mm	429.3mm	429.3mm	429.3mm
Front-Center	625mm	635mm	637mm	656mm	675mm
Front-Center Horizontal	620.7mm	630.7mm	633.7mm	652.7mm	671.7mm
Wheelbase	1050mm	1060mm	1063mm	1082mm	1101mm
Fork Offset/Rake	52.7mm	50.6mm	51.2mm	51.5mm	51.4mm
Fork Length, Unknown	390mm	390mm	390mm	390mm	390mm
Trail	69.9mm high	65.6mm high	61.8mm mid/neutral	58.2mm mid/neutral	58.4mm mid/neutral
Mechanical Trail	65.7mm	62.1mm	58.6mm	55.4mm	55.5mm
Wheel Flop	22.5mm	20.2mm	18.6mm	17.1mm	17.2mm
Standover Height	756mm	788mm	813mm	849mm	875mm
Tire to Pedal Spindle	109mm 170 mm cranks	119mm 170 mm cranks	118.5mm 172.5 mm cranks	137.5mm 172.5 mm cranks	154mm 175 mm cranks
Pedal Spindle to Ground Clearance	106mm 170 mm cranks	106mm 170 mm cranks	103.5mm 172.5 mm cranks	103.5mm 172.5 mm cranks	101mm 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/us/en/sirrus-x-comp-carbon-mens-spec/p/173639?color=272303-173639&searchText=90919-5303

Geometry