2018 Specialized Bicycles Roubaix Base 49

Build

700C/29 in × 28 mm

Insights

Average 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
549mm
Reach
369mm
Stack to Reach Ratio
1.49:1
Seat Tube Length, C-T
425mm
Top Tube Length, Effective/Horizontal Center
527mm
Top Tube Slope
16.1deg
Head Tube Angle
72deg
Seat Tube Angle
74deg
Head Tube Length
90mm
Bottom Bracket Drop
77.5mm
Bottom Bracket Height
261.5mm
Chainstay Length
413mm
Chainstay Length Horizontal
405.7mm
Front-Center
580mm
Front-Center Horizontal
575.3mm
Wheelbase
981mm
Fork Offset/Rake
50mm
Trail
57.6mm
mid/​neutral
Mechanical Trail
54.8mm
Wheel Flop
16.9mm
Standover Height
715.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
71mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
91.5mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1659mm
Crank Length
170mm
Handlebar Width
400mm
Stem Length
70mm
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/p/128887?color=240079-128887