2020 Specialized Bicycles Roubaix Comp – Shimano Ultegra Di2 52

Build

700C/29 in × 28 mm

Insights

Somewhat upright stack and reach vs trend of endurance road bikes
Design deviates from other sizes of Specialized Bicycles Roubaix

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
570mm
Reach
368mm
Stack to Reach Ratio
1.55:1
Seat Tube Length, C-T
446mm
Top Tube Length, Effective/Horizontal HT Top
533mm
Top Tube Slope
16.1deg
Head Tube Angle
72deg
Seat Tube Angle
74deg
Head Tube Length
112mm
Bottom Bracket Drop
77.5mm
Bottom Bracket Height
261.5mm
Chainstay Length
413mm
Chainstay Length Horizontal
405.7mm
Front-Center
586mm
Front-Center Horizontal
580.3mm
Wheelbase
986mm
Fork Offset/Rake
50mm
Fork Length (On-Axis)
370mm
Trail
57.6mm
mid/​neutral
Mechanical Trail
54.8mm
Wheel Flop
16.9mm
Standover Height
743mm
Tire to Pedal Spindle Distance
With 170 mm cranks
77mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
91.5mm

Comp – Shimano Ultegra Di2 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1664mm
Crank Length
170mm
Handlebar Width
400mm
Stem Length
90mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.specialized.com/us/en/roubaix-comp--shimano-ultegra-di2/p/170243?color=260621-170243