Which size or configuration labels have geometry for the 2017 Specialized Sirrus Sport Carbon?

Geometry is listed for S, M, L, and XL.

What are the reach and stack of the 2017 Specialized Sirrus Sport Carbon in size L?

In size L, reach is 410 mm and stack is 616 mm.

What is the head tube angle of the 2017 Specialized Sirrus Sport Carbon?

The head tube angle is 72 degrees in size L.

What does the 2017 Specialized Sirrus Sport Carbon ship with?

The stock build includes microSHIFT R9, Specialized Espoir Sport Reflect, Shimano Acera M315, and Specialized Flowset.

Which years of the Specialized Sirrus are on Quiver?

Quiver has the Specialized Sirrus for 2017, 2023, 2022, 2021, 2020, 2019, 2018, 2015, 2014, 2013, 2012, 2011, 2010, 2009, and 2008.

2017

2017 Specialized Sirrus Sport Carbon

Commuter

The 2017 Specialized Sirrus Sport Carbon sits more aggressive than most commuter bikes, with a steeper head angle and a shorter rear center. Reach 395 to 420 mm, stack 574 to 650 mm. The Sirrus Sport Carbon build comes with microSHIFT R9 shifting and Specialized Espoir Sport Reflect tires.

Compare with 730+ commuter bikes

Source: specialized.com. Checked Oct 22, 2026.

Key facts

Brand: Specialized
Model: Sirrus
Model year: 2017
Frame: Sport Carbon
Type: Commuter
Geometry labels: S, M, L, and XL
Drivetrain: microSHIFT R9
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size M, to scale.

2017 Specialized Sirrus Sport Carbon geometry by size
Measurement	S	M	L	XL
Reach(mm)	395	403	410	420
Stack(mm)	574	591	616	650
Head tube angle(°)	71	71.5	72	72
Seat tube angle(°)	73.3	73.5	73	73
Effective top tube(mm)	568	578	598	619
Chainstay length(mm)	435	435	435	435
Wheelbase(mm)	1052	1060	1070	1091
BB drop(mm)	70	70	70	70
BB height(mm)	275	275	275	275
Standover(mm)	752.2	784.6	821.9	860.3
Seat tube length(mm)	440	485	530	570
Fork length(mm)	398	398	398	398
Head tube length(mm)	150	165	190	225

How to read a geometry chart

Stock build

9 parts

Drivetrain

microSHIFT R9

Derailleur

Shimano Alivio

Derailleur

SRAM PC-971

Chain

FSA Vero

Crankset

Specialized BB-7420STw/Bolts

Bottom bracket

Wheels & Tires

Specialized Espoir Sport Reflect

TireTPI 60 TPI

Brakes

Shimano Acera M315

BrakeBrake type hydraulic disc

Cockpit

Specialized Flowset

Stem

Seatpost & Saddle

Specialized Canopy Comp

Saddle

Keep your Sirrus Sport Carbon 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

Quick answers

Which size or configuration labels have geometry for the 2017 Specialized Sirrus Sport Carbon?: Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2017 Specialized Sirrus Sport Carbon in size L?: In size L, reach is 410 mm and stack is 616 mm.
What is the head tube angle of the 2017 Specialized Sirrus Sport Carbon?: The head tube angle is 72 degrees in size L.
What does the 2017 Specialized Sirrus Sport Carbon ship with?: The stock build includes microSHIFT R9, Specialized Espoir Sport Reflect, Shimano Acera M315, and Specialized Flowset.
Which years of the Specialized Sirrus are on Quiver?: Quiver has the Specialized Sirrus for 2017, 2023, 2022, 2021, 2020, 2019, 2018, 2015, 2014, 2013, 2012, 2011, 2010, 2009, and 2008.