Which size or configuration labels have geometry for the 2008 Specialized Sirrus Pro?

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

What are the reach and stack of the 2008 Specialized Sirrus Pro in size M?

In size M, reach is 545 mm and stack is 480 mm.

What does the 2008 Specialized Sirrus Pro ship with?

The stock build includes Shimano R440, Specialized All Condition Pro, Avid FR-5, and Specialized Event.

Which years of the Specialized Sirrus are on Quiver?

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

2008

2008 Specialized Sirrus Pro

Commuter

The 2008 Specialized Sirrus Pro sits at the aggressive end of the range for a commuter bike. Reach 510 to 590 mm, stack 400 to 565 mm. The Sirrus Pro build comes with Shimano Tiagra R453 shifting and Specialized All Condition Pro tires.

Compare with 740+ commuter bikes

Source: specialized.com. Checked Sep 5, 2026.

Key facts

Brand: Specialized
Model: Sirrus
Model year: 2008
Frame: Pro
Type: Commuter
Geometry labels: XS, S, M, L, and XL
Drivetrain: Shimano Tiagra R453
Geometry: Some measurements unavailable
Source: specialized.com
Checked: Sep 5, 2026

Geometry by size

2008 Specialized Sirrus Pro geometry by size
Measurement	XS	S	M	L	XL
Reach(mm)	510	530	545	565	590
Stack(mm)	400	445	480	515	565
Seat tube angle(°)	Not available	63	60	56	Not available
Seat tube length(mm)	430	425	425	425	425
Head tube length(mm)	170	170	175	175	175

Not available

Requested. Requests decide what we research next.

How to read a geometry chart

Stock build

14 parts

Drivetrain

Shimano R440

Shifter

Shimano Tiagra R453

Derailleur

Shimano 105

DerailleurWeight 138 g

Shimano 105

Chain

FSA Gossamer MegaExo

Crankset

FSA MegaExo

Bottom bracketSpindle interface MegaExoShell width 73

crankbrothers Smarty

Pedals

Wheels & Tires

Specialized All Condition Pro

Tire

Alex Rims AS1

Rim

Brakes

Avid FR-5

Brake

Cockpit

Specialized Event

Handlebar

Specialized Comp-Set

Stem

Specialized Mindset

Headset

Seatpost & Saddle

Specialized Avatar

Saddle

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Manufacturer

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Quick answers

Which size or configuration labels have geometry for the 2008 Specialized Sirrus Pro?: Geometry is listed for XS, S, M, L, and XL.
What are the reach and stack of the 2008 Specialized Sirrus Pro in size M?: In size M, reach is 545 mm and stack is 480 mm.
What does the 2008 Specialized Sirrus Pro ship with?: The stock build includes Shimano R440, Specialized All Condition Pro, Avid FR-5, and Specialized Event.
Which years of the Specialized Sirrus are on Quiver?: Quiver has the Specialized Sirrus for 2008, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2015, 2014, 2013, 2012, 2011, 2010, and 2009.