Which size or configuration labels have geometry for the 2018 Specialized Roubaix SRAM eTap?

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

What are the reach and stack of the 2018 Specialized Roubaix SRAM eTap in size 56?

In size 56, reach is 381 mm and stack is 611 mm.

What is the head tube angle of the 2018 Specialized Roubaix SRAM eTap?

The head tube angle is 73.5 degrees in size 56.

What does the 2018 Specialized Roubaix S-Works SRAM eTap ship with?

The stock build includes SRAM eTap, Roval CLX 32, SRAM Red eTap, and Specialized CG-R.

Which years of the Specialized Roubaix are on Quiver?

Quiver has the Specialized Roubaix for 2018, 2027, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2012, 2011, 2010, 2009, 2008, and 2007.

2018 Specialized Roubaix SRAM eTap geometry and specs

Key facts

Brand: Specialized
Model: Roubaix
Model year: 2018
Frame: SRAM eTap
Type: Road
Geometry labels: 49, 52, 54, 56, 58, and 61
Drivetrain: SRAM RED E-TAP
Wheels: Roval CLX 32
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size 54, to scale.

2018 Specialized Roubaix SRAM eTap geometry by size
Measurement	49	52	54	56	58	61
Reach(mm)	369	371	375	381	386	392
Stack(mm)	549	569	585	611	644	665
Head tube angle(°)	72	72.25	72.75	73.5	73.5	74
Seat tube angle(°)	74	74	74	73.5	73.5	73.5
Effective top tube(mm)	527	534.9	545	561.8	576.3	588.5
Chainstay length(mm)	413	413	415	415	418	418
Wheelbase(mm)	981	987	987	993	1011	1018
BB drop(mm)	77.5	77.5	76	76	74.5	74.5
Standover(mm)	715.5	743	762	785	813	844.3
Seat tube length(mm)	425	462	481	501	522	563
Head tube length(mm)	90	110	125	150	185	205

How to read a geometry chart

Stock build

11 parts

Drivetrain

SRAM eTap

Shifter

SRAM RED E-TAP

Derailleur

SRAM eTap

DerailleurSpeeds 11

SRAM Red 22

CassetteSpeeds 11Range 11-32

SRAM RED22

Chain

SRAM Red 22

Crankset

Wheels & Tires

Roval CLX 32

Wheelset

Specialized Turbo Cotton

Tire

Brakes

SRAM Red eTap

BrakeBrake type hydraulic disc

Seatpost & Saddle

Specialized CG-R

Seatpost

Specialized S-Works Phenom GT

Saddle

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Manufacturer

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Quick answers

Which size or configuration labels have geometry for the 2018 Specialized Roubaix SRAM eTap?: Geometry is listed for 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2018 Specialized Roubaix SRAM eTap in size 56?: In size 56, reach is 381 mm and stack is 611 mm.
What is the head tube angle of the 2018 Specialized Roubaix SRAM eTap?: The head tube angle is 73.5 degrees in size 56.
What does the 2018 Specialized Roubaix S-Works SRAM eTap ship with?: The stock build includes SRAM eTap, Roval CLX 32, SRAM Red eTap, and Specialized CG-R.
Which years of the Specialized Roubaix are on Quiver?: Quiver has the Specialized Roubaix for 2018, 2027, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2012, 2011, 2010, 2009, 2008, and 2007.