2019 Specialized Bicycles Tarmac Disc

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

Geometry

44
49
52
54
56
58
61
Stack
500mm
514mm
527mm
544mm
565mm
591mm
612mm
Reach
365mm
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, C-T
400mm
431mm
462mm
481mm
501mm
522mm
553mm
Top Tube Length, Effective/Horizontal Center
490mm
508mm
531mm
540mm
562mm
577mm
595mm
Top Tube Slope
13.6deg
11.3deg
9.3deg
9deg
9deg
9.3deg
8.3deg
Head Tube Angle
70.5deg
71.75deg
72.5deg
73deg
73.5deg
73.5deg
74deg
Seat Tube Angle
76deg
75.5deg
74deg
74deg
73.5deg
73.5deg
73deg
Head Tube Length
105mm
115mm
126mm
143mm
163mm
190mm
210mm
Bottom Bracket Drop
74mm
74mm
74mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
262mm
262mm
262mm
264mm
264mm
264mm
264mm
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
571mm
574mm
577mm
579mm
591mm
606mm
613mm
Front-Center Horizontal
565.7mm
569.7mm
571.7mm
574.4mm
586.4mm
601.4mm
608.4mm
Wheelbase
969mm
973mm
975mm
978mm
990mm
1005mm
1012mm
Fork Offset/Rake
47mm
47mm
47mm
44mm
44mm
44mm
44mm
Fork Length (Axle-To-Crown)
363mm
363mm
363mm
363mm
363mm
363mm
363mm
Trail
69.1mm
high
61.3mm
mid/​neutral
56.7mm
mid/​neutral
56.7mm
mid/​neutral
53.6mm
mid/​neutral
53.6mm
mid/​neutral
50.6mm
mid/​neutral
Mechanical Trail
65.2mm
58.2mm
54mm
54.2mm
51.4mm
51.4mm
48.6mm
Wheel Flop
21.8mm
18.2mm
16.3mm
15.9mm
14.6mm
14.6mm
13.4mm
Standover Height
740mm
740mm
755mm
775mm
795mm
826mm
850mm
Tire to Pedal Spindle
65mm
170 mm cranks
68mm
170 mm cranks
71mm
170 mm cranks
71mm
172 mm cranks
83mm
172 mm cranks
95mm
175 mm cranks
102mm
175 mm cranks
Pedal Spindle to Ground Clearance
92mm
170 mm cranks
92mm
170 mm cranks
92mm
170 mm cranks
92mm
172 mm cranks
92mm
172 mm cranks
89mm
175 mm cranks
89mm
175 mm cranks

Disc 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
25mm
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm
672mm
Bike Length with Tires
1641mm
1645mm
1647mm
1650mm
1662mm
1677mm
1684mm
Crank Length
—
170mm
170mm
172mm
172mm
175mm
175mm
Handlebar Width
—
400mm
420mm
420mm
420mm
440mm
440mm
Stem Length
—
80mm
90mm
100mm
100mm
110mm
110mm

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?color=240919-134480