2014 Specialized Bicycles Roubaix Expert

	49 cm	52 cm	54 cm	56 cm	58 cm	61 cm
Stack	528mm	547mm	564mm	590mm	622mm	643mm
Reach	378mm	379mm	380mm	387mm	392mm	398mm
Stack to Reach Ratio	1.4:1	1.44:1	1.48:1	1.52:1	1.59:1	1.62:1
Seat Tube Length, C-T	455mm	475mm	495mm	515mm	540mm	565mm
Top Tube Length, Effective/Horizontal Center	518mm	537mm	548mm	565mm	582mm	600mm
Top Tube Slope	10.1deg	10.1deg	9.7deg	10.3deg	10.9deg	10.4deg
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	263mm	263mm	264.5mm	264.5mm	266mm	266mm
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	589mm	596mm	606mm	621mm	628mm
Front-Center Horizontal	577.5mm	584.5mm	591.2mm	602.2mm	616.9mm	624.9mm
Wheelbase	983mm	990mm	1000mm	1011mm	1029mm	1039mm
Fork Offset/Rake	49mm	49mm	49mm	49mm	49mm	49mm
Trail	57.7mm mid/neutral	57.7mm mid/neutral	57.7mm mid/neutral	54.6mm mid/neutral	54.6mm mid/neutral	51.5mm mid/neutral
Mechanical Trail	54.8mm	54.8mm	54.8mm	52mm	52mm	49.2mm
Wheel Flop	16.9mm	16.9mm	16.9mm	15.7mm	15.7mm	14.4mm
Standover Height	730mm	756mm	776mm	798mm	829mm	851mm
Tire to Pedal Spindle	76mm 170 mm cranks	83mm 170 mm cranks	87.5mm 172.5 mm cranks	97.5mm 172.5 mm cranks	110mm 175 mm cranks	117mm 175 mm cranks
Pedal Spindle to Ground Clearance	93mm 170 mm cranks	93mm 170 mm cranks	92mm 172.5 mm cranks	92mm 172.5 mm cranks	91mm 175 mm cranks	91mm 175 mm cranks

	49 cm	52 cm	54 cm	56 cm	58 cm	61 cm
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	25mm	25mm	25mm	25mm	25mm	25mm
Tire Outer Diameter	672mm	672mm	672mm	672mm	672mm	672mm
Bike Length with Tires	1655mm	1662mm	1672mm	1683mm	1701mm	1711mm
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-sl4-expert/p/49729?color=151445-49729&searchText=94414-3249

Geometry