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

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

What are the reach and stack of the 2018 Specialized Roubaix Elite 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 Elite?

The head tube angle is 73.5 degrees in size 56.

What does the 2018 Specialized Roubaix Elite ship with?

The stock build includes Shimano RS505, DT Swiss R470, Shimano RS505, and Specialized Comp Hover.

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 Elite geometry and specs

Key facts

Brand: Specialized
Model: Roubaix
Model year: 2018
Frame: Elite
Type: Road
Geometry labels: 49, 52, 54, 56, 58, and 61
Drivetrain: Shimano 105 Ez
Wheels: DT Swiss R470
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size 54, to scale.

2018 Specialized Roubaix Elite 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

12 parts

Drivetrain

Shimano RS505

Shifter

Shimano 105 Ez

Derailleur

Shimano 105

DerailleurSpeeds 11

Shimano 105

CassetteSpeeds 11Range 11-32

KMC X11 EL

ChainSpeeds 11

Shimano RS510

Crankset

Wheels & Tires

DT Swiss R470

WheelsetInternal rim width 20mmSpoke count 24Not tubeless ready

Specialized Turbo Pro

TireTPI 60 TPI

Brakes

Shimano RS505

BrakeBrake type hydraulic disc

Cockpit

Specialized Comp Hover

Handlebar

Seatpost & Saddle

Specialized CG-R

Seatpost

Specialized Phenom Comp

Saddle

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Manufacturer

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Quick answers

Which size or configuration labels have geometry for the 2018 Specialized Roubaix Elite?: Geometry is listed for 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2018 Specialized Roubaix Elite 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 Elite?: The head tube angle is 73.5 degrees in size 56.
What does the 2018 Specialized Roubaix Elite ship with?: The stock build includes Shimano RS505, DT Swiss R470, Shimano RS505, and Specialized Comp Hover.
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.