2023 Specialized Bicycles Tarmac SL8 Pro

Design
Aero Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category

Geometry

44
49
52
54
56
58
61
Stack
501mm
514mm
527mm
544mm
565mm
591mm
612mm
Reach
366mm
375mm
380mm
384mm
395mm
402mm
408mm
Stack to Reach Ratio
1.37:1
1.37:1
1.39:1
1.42:1
1.43:1
1.47:1
1.5:1
Seat Tube Length, Unknown
433mm
445mm
456mm
473mm
494mm
515mm
545mm
Top Tube Length, Effective/Horizontal Center
496mm
509mm
531mm
541mm
563mm
577mm
595mm
Top Tube Slope
9.8deg
9.7deg
9.9deg
9.9deg
9.7deg
10.1deg
9.1deg
Head Tube Angle
70.5deg
71.75deg
72.5deg
73deg
73.5deg
73.5deg
74deg
Seat Tube Angle
75.5deg
75.5deg
74deg
74deg
73.5deg
73.5deg
73deg
Head Tube Length
99mm
109mm
120mm
137mm
157mm
184mm
204mm
Bottom Bracket Drop
74mm
74mm
74mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
263mm
263mm
263mm
265mm
265mm
265mm
265mm
Chainstay Length
410mm
410mm
410mm
410mm
410mm
410mm
410mm
Chainstay Length Horizontal
403.3mm
403.3mm
403.3mm
403.6mm
403.6mm
403.6mm
403.6mm
Front-Center
572mm
574mm
577mm
579mm
592mm
606mm
613mm
Front-Center Horizontal
566.7mm
569.7mm
571.7mm
574.4mm
587.4mm
602.4mm
609.4mm
Wheelbase
970mm
973mm
975mm
978mm
991mm
1006mm
1013mm
Fork Offset/Rake
47mm
47mm
47mm
44mm
44mm
44mm
44mm
Fork Length, Unknown
370mm
370mm
370mm
370mm
370mm
370mm
370mm
Trail
69.5mm
high
61.6mm
mid/​neutral
57mm
mid/​neutral
57mm
mid/​neutral
53.9mm
mid/​neutral
53.9mm
mid/​neutral
50.9mm
mid/​neutral
Mechanical Trail
65.5mm
58.5mm
54.3mm
54.5mm
51.7mm
51.7mm
48.9mm
Wheel Flop
21.9mm
18.3mm
16.3mm
15.9mm
14.7mm
14.7mm
13.5mm
Standover Height
723mm
735mm
746mm
768mm
786mm
808mm
834mm
Tire to Pedal Spindle
70mm
165 mm cranks
72mm
165 mm cranks
70mm
170 mm cranks
69.5mm
172.5 mm cranks
82.5mm
172.5 mm cranks
94mm
175 mm cranks
101mm
175 mm cranks
Pedal Spindle to Ground Clearance
98mm
165 mm cranks
98mm
165 mm cranks
93mm
170 mm cranks
92.5mm
172.5 mm cranks
92.5mm
172.5 mm cranks
90mm
175 mm cranks
90mm
175 mm cranks

Pro Build

44
49
52
54
56
58
61
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
Tire Width
26mm
26mm
26mm
26mm
26mm
26mm
26mm
Tire Width Max
32mm
32mm
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
674mm
674mm
674mm
674mm
674mm
674mm
674mm
Bike Length with Tires
1644mm
1647mm
1649mm
1652mm
1665mm
1680mm
1687mm
Crank Length
165mm
165mm
170mm
172.5mm
172.5mm
175mm
175mm
Handlebar Width
380mm
380mm
400mm
420mm
420mm
440mm
440mm
Stem Length
70mm
80mm
90mm
100mm
100mm
110mm
110mm
Stem Angle
6deg
6deg
6deg
6deg
6deg
6deg
6deg

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
Performance Road
Source:https://www.specialized.com/us/en/tarmac-sl8-pro---ultegra-di2/p/216960?color=349976-216960