2011 Specialized Bicycles Roubaix Expert

	520.0	540.0	560.0	580.0	610.0	640.0
Stack	527mm	546mm	563mm	589mm	621mm	642mm
Reach	378mm	379mm	380mm	387mm	392mm	398mm
Stack to Reach Ratio	1.39:1	1.44:1	1.48:1	1.52:1	1.58:1	1.61:1
Seat Tube Length, Unknown	520mm	540mm	560mm	580mm	610mm	640mm
Top Tube Length, Effective/Horizontal Center	518mm	537mm	548mm	565mm	582mm	600mm
Top Tube Slope	2.7deg	2.9deg	2.8deg	3.5deg	3.8deg	3.1deg
Head Tube Angle	72deg	72deg	72deg	72.5deg	72.5deg	73deg
Seat Tube Angle	75.5deg	74deg	73.5deg	73.25deg	73deg	72.5deg
Head Tube Length	125mm	145mm	165mm	190mm	225mm	245mm
Bottom Bracket Drop	73mm	73mm	71.5mm	71.5mm	70mm	70mm
Bottom Bracket Height	261mm	261mm	262.5mm	262.5mm	264mm	264mm
Chainstay Length	412mm	412mm	415mm	415mm	418mm	420mm
Chainstay Length Horizontal	405.5mm	405.5mm	408.8mm	408.8mm	412.1mm	414.1mm
Front-Center	582mm	588mm	595mm	606mm	621mm	628mm
Front-Center Horizontal	577.5mm	583.5mm	591.2mm	601.2mm	616.9mm	623.9mm
Wheelbase	983mm	989mm	1000mm	1010mm	1029mm	1038mm
Fork Offset/Rake	49mm	49mm	49mm	49mm	49mm	49mm
Trail	57mm mid/neutral	57mm mid/neutral	57mm mid/neutral	53.9mm mid/neutral	53.9mm mid/neutral	50.9mm mid/neutral
Mechanical Trail	54.2mm	54.2mm	54.2mm	51.4mm	51.4mm	48.7mm
Wheel Flop	16.8mm	16.8mm	16.8mm	15.5mm	15.5mm	14.2mm
Standover Height	730mm	756mm	776mm	798mm	829mm	851mm
Tire to Pedal Spindle	78mm 170 mm cranks	84mm 170 mm cranks	88.5mm 172.5 mm cranks	99.5mm 172.5 mm cranks	112mm 175 mm cranks	119mm 175 mm cranks
Pedal Spindle to Ground Clearance	91mm 170 mm cranks	91mm 170 mm cranks	90mm 172.5 mm cranks	90mm 172.5 mm cranks	89mm 175 mm cranks	89mm 175 mm cranks

	520.0	540.0	560.0	580.0	610.0	640.0
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	23mm	23mm	23mm	23mm	23mm	23mm
Tire Width Max	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	668mm	668mm	668mm	668mm	668mm	668mm
Bike Length with Tires	1651mm	1657mm	1668mm	1678mm	1697mm	1706mm
Crank Length	170mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	400mm	420mm	420mm	420mm	440mm	440mm
Stem Length	75mm	90mm	100mm	100mm	110mm	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/roubaix-sl3-expert-compact/p/35096

Geometry