Which size or configuration labels have geometry for the 2017 Specialized Tarmac Comp?

Geometry is listed for 49, 52, 54, 56, 58, 61, and 64.

What are the reach and stack of the 2017 Specialized Tarmac Comp in size 56?

In size 56, reach is 395 mm and stack is 564 mm.

What is the head tube angle of the 2017 Specialized Tarmac Comp?

The head tube angle is 73.5 degrees in size 56.

What does the 2017 Specialized Tarmac Comp ship with?

The stock build includes Shimano Ultegra R6800, DT Swiss R460, Shimano Ultegra, and Specialized Toupe Comp.

Which years of the Specialized Tarmac are on Quiver?

Quiver has the Specialized Tarmac for 2017, 2026, 2020, 2019, 2018, 2016, 2015, 2012, 2011, 2010, 2009, 2008, and 2007.

2017 Specialized Tarmac Comp geometry and specs

Key facts

Brand: Specialized
Model: Tarmac
Model year: 2017
Frame: Comp
Type: Road
Geometry labels: 49, 52, 54, 56, 58, 61, and 64
Drivetrain: Shimano Ultegra R6800
Wheels: DT Swiss R460
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size 56, to scale.

2017 Specialized Tarmac Comp geometry by size
Measurement	49	52	54	56	58	61	64
Reach(mm)	386	386	387	395	402	408	415
Stack(mm)	504	526	543	564	591	612	636
Head tube angle(°)	72.25	73	73	73.5	73.5	74	74
Seat tube angle(°)	75.5	74	73.5	73.25	73	72.5	72.5
Effective top tube(mm)	518	537	548	565	582	600	621
Chainstay length(mm)	405	405	405	405	407	410	410
Wheelbase(mm)	970	970	978	986	1003	1013	1016
BB drop(mm)	71.5	71.5	69	69	67.5	67.5	67.5
BB height(mm)	270	270	272.5	272.5	274	274	274.5
Standover(mm)	730	755	775	795	826	850	850
Seat tube length(mm)	431	462	481	501	522	553	584
Fork length(mm)	368	368	368	368	368	368	368
Head tube length(mm)	100	120	140	160	190	210	235

How to read a geometry chart

Stock build

9 parts

Drivetrain

Shimano Ultegra R6800

Shifter

Shimano Ultegra R6800

Derailleur

Shimano 105 R5800

CassetteSpeeds 11Range 11-28

KMC X-11

ChainSpeeds 11

Shimano Ultegra

CranksetChainring interface Direct Mount

Wheels & Tires

DT Swiss R460

Wheelset

Specialized S-Works Turbo

TireTPI 220 TPI

Brakes

Shimano Ultegra

BrakeFluid type MineralCaliper mount Flat Mount

Seatpost & Saddle

Specialized Toupe Comp

Saddle

Keep your Tarmac Comp in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App Store Free on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Manufacturer

Keep the factory build and your current parts distinct

Bikes to compare with the Tarmac

Same kind of bike with the closest frame angles and proportions. Differences are how each one compares to this bike.

2016 Specialized Allez DSW Elite
Close on every number both bikes have.
Compare
2015 Specialized Allez E5 Smartweld
Close on every number both bikes have.
Compare
2015 Specialized Venge Elite
Close on every number both bikes have.
Compare
2018 Specialized Tarmac SL5 Men's Expert DA
Close on every number both bikes have.
Compare

Quick answers

Which size or configuration labels have geometry for the 2017 Specialized Tarmac Comp?: Geometry is listed for 49, 52, 54, 56, 58, 61, and 64.
What are the reach and stack of the 2017 Specialized Tarmac Comp in size 56?: In size 56, reach is 395 mm and stack is 564 mm.
What is the head tube angle of the 2017 Specialized Tarmac Comp?: The head tube angle is 73.5 degrees in size 56.
What does the 2017 Specialized Tarmac Comp ship with?: The stock build includes Shimano Ultegra R6800, DT Swiss R460, Shimano Ultegra, and Specialized Toupe Comp.
Which years of the Specialized Tarmac are on Quiver?: Quiver has the Specialized Tarmac for 2017, 2026, 2020, 2019, 2018, 2016, 2015, 2012, 2011, 2010, 2009, 2008, and 2007.