2023 Specialized Bicycles roubaix expert Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

44
49
52
54
56
58
61
64
Stack
540mm
555mm
570mm
585mm
605mm
630mm
665mm
675mm
Reach
353mm
363mm
368mm
376mm
384mm
392mm
398mm
404mm
Stack to Reach Ratio
1.53:1
1.53:1
1.55:1
1.56:1
1.58:1
1.61:1
1.67:1
1.67:1
Seat Tube Length, Unknown
365mm
410mm
446mm
465mm
485mm
505mm
547mm
568mm
Top Tube Length, Effective/Horizontal Center
512mm
525mm
533mm
545mm
563mm
579mm
595mm
609mm
Top Tube Slope
22.6deg
18.7deg
16.1deg
15.3deg
15deg
15.2deg
14.3deg
13deg
Head Tube Angle
70deg
71.5deg
72deg
72.75deg
73.5deg
73.5deg
74deg
74deg
Seat Tube Angle
74deg
74deg
74deg
74deg
73.5deg
73.5deg
73.5deg
73deg
Head Tube Length
90mm
100mm
112mm
125mm
143mm
170mm
205mm
215mm
Bottom Bracket Drop
77.5mm
77.5mm
77.5mm
76mm
76mm
74.5mm
74.5mm
74.5mm
Bottom Bracket Height
263.5mm
263.5mm
263.5mm
265mm
265mm
266.5mm
266.5mm
266.5mm
Chainstay Length
413mm
413mm
413mm
415mm
415mm
418mm
418mm
418mm
Chainstay Length Horizontal
405.7mm
405.7mm
405.7mm
408mm
408mm
411.3mm
411.3mm
411.3mm
Front-Center
580mm
581mm
586mm
585mm
592mm
607mm
618mm
626mm
Front-Center Horizontal
575.3mm
576.3mm
580.3mm
580mm
587mm
602.7mm
612.7mm
621.7mm
Wheelbase
981mm
982mm
986mm
988mm
995mm
1014mm
1024mm
1033mm
Fork Offset/Rake
50mm
50mm
50mm
44mm
44mm
44mm
44mm
44mm
Fork Length, Unknown
370mm
370mm
370mm
370mm
370mm
370mm
370mm
370mm
Trail
70.9mm
high
61.4mm
mid/​neutral
58.2mm
mid/​neutral
59.8mm
mid/​neutral
55.1mm
mid/​neutral
55.1mm
mid/​neutral
52mm
mid/​neutral
52mm
mid/​neutral
Mechanical Trail
66.6mm
58.2mm
55.4mm
57.1mm
52.9mm
52.9mm
50mm
50mm
Wheel Flop
22.8mm
18.5mm
17.1mm
16.9mm
15mm
15mm
13.8mm
13.8mm
Standover Height
682mm
715mm
743mm
762mm
783mm
805mm
844mm
862mm
Tire to Pedal Spindle
74mm
165 mm cranks
75mm
165 mm cranks
75mm
170 mm cranks
71.5mm
172.5 mm cranks
78.5mm
172.5 mm cranks
91mm
175 mm cranks
102mm
175 mm cranks
110mm
175 mm cranks
Pedal Spindle to Ground Clearance
98.5mm
165 mm cranks
98.5mm
165 mm cranks
93.5mm
170 mm cranks
92.5mm
172.5 mm cranks
92.5mm
172.5 mm cranks
91.5mm
175 mm cranks
91.5mm
175 mm cranks
91.5mm
175 mm cranks

Base Build

44
49
52
54
56
58
61
64
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
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
30mm
30mm
30mm
30mm
30mm
30mm
30mm
30mm
Tire Outer Diameter
682mm
682mm
682mm
682mm
682mm
682mm
682mm
682mm
Bike Length with Tires
1663mm
1664mm
1668mm
1670mm
1677mm
1696mm
1706mm
1715mm
Crank Length
165mm
165mm
170mm
172.5mm
172.5mm
175mm
175mm
175mm
Handlebar Width
360mm
380mm
400mm
420mm
420mm
440mm
440mm
440mm
Stem Length
70mm
80mm
90mm
100mm
100mm
110mm
110mm
120mm

Stack and Reach vs. Category Trend

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.

Learn more about the Upright/Aggressive Scale
Category Trend
Endurance Road
Source:https://www.specialized.com/us/en/roubaix-expert/p/199908?color=321717-199908