Which size or configuration labels have geometry for the 2015 Specialized Roubaix SL4?

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

What are the reach and stack of the 2015 Specialized Roubaix SL4 in size 56?

In size 56, reach is 387 mm and stack is 589 mm.

What is the head tube angle of the 2015 Specialized Roubaix SL4?

The head tube angle is 72.5 degrees in size 56.

Which years of the Specialized Roubaix are on Quiver?

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

2015 Specialized Roubaix SL4 geometry and specs

Key facts

Brand: Specialized
Model: Roubaix
Model year: 2015
Frame: SL4
Type: Road
Geometry labels: 49, 52, 54, 56, 58, and 61
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size 54, to scale.

2015 Specialized Roubaix SL4 geometry by size
Measurement	49	52	54	56	58	61
Reach(mm)	378	379	380	387	392	398
Stack(mm)	527	546	563	589	621	642
Head tube angle(°)	72	72	72	72.5	72.5	73
Seat tube angle(°)	75.5	74	73.5	73.25	73	72.5
Effective top tube(mm)	518	537	548	565	582	600
Chainstay length(mm)	412	412	415	415	418	420
Wheelbase(mm)	983	989	1000	1010	1029	1038
BB drop(mm)	73	73	71.5	71.5	70	70
Standover(mm)	730	756	776	798	829	851
Seat tube length(mm)	445	475	495	515	540	565
Head tube length(mm)	125	145	165	190	225	245

How to read a geometry chart

Stock build

Roubaix S-Works SL4 Dura-Ace

The stock build is under review.

Keep your Roubaix S-Works SL4 Dura-Ace 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

Roubaix S-Works SL4Frameset only

The stock build is under review.

Keep your Roubaix S-Works SL4 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

Keep the factory build and your current parts distinct

Bikes to compare with the Roubaix

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

2015 Specialized Secteur Sport Double
Close on every number both bikes have.
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2015 Trek Domane
More upright position.
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2016 Kona Private Jake
Slacker head angle.
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2017 Trek Émonda SL
Steeper head angle.
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Quick answers

Which size or configuration labels have geometry for the 2015 Specialized Roubaix SL4?: Geometry is listed for 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2015 Specialized Roubaix SL4 in size 56?: In size 56, reach is 387 mm and stack is 589 mm.
What is the head tube angle of the 2015 Specialized Roubaix SL4?: The head tube angle is 72.5 degrees in size 56.
Which years of the Specialized Roubaix are on Quiver?: Quiver has the Specialized Roubaix for 2015, 2027, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2014, 2012, 2011, 2010, 2009, 2008, and 2007.