2021 Specialized Bicycles Roubaix Expert 64

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
675mm
Reach
404mm
Stack to Reach Ratio
1.67:1
Seat Tube Length, Unknown
568mm
Top Tube Length, Effective/Horizontal Center
609mm
Top Tube Slope
13deg
Head Tube Angle
74deg
Seat Tube Angle
73deg
Head Tube Length
215mm
Bottom Bracket Drop
74.5mm
Bottom Bracket Height
264.5mm
Chainstay Length
418mm
Chainstay Length Horizontal
411.3mm
Front-Center
626mm
Front-Center Horizontal
621.7mm
Wheelbase
1033mm
Fork Offset/Rake
44mm
Fork Length, Unknown
370mm
Trail
51.4mm
mid/​neutral
Mechanical Trail
49.4mm
Wheel Flop
13.6mm
Standover Height
862mm
Tire to Pedal Spindle Distance
With 175 mm cranks
112mm
Pedal Spindle to Ground Clearance
With 175 mm cranks
89.5mm

Expert Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1711mm
Crank Length
175mm
Handlebar Width
440mm
Stem Length
120mm
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-expert/p/184474?color=293292-184474&searchText=94421-3244