Which size or configuration labels have geometry for the 2008 Specialized Tarmac SL?

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

What are the reach and stack of the 2008 Specialized Tarmac SL in size 56?

In size 56, reach is 565 mm and stack is 530 mm.

What does the 2008 Specialized Tarmac S-Works SL ship with?

The stock build includes Shimano Dura-Ace, Specialized S-Works Mondo Open, Shimano Dura-Ace, and Specialized S-Works Pro-Set.

Which years of the Specialized Tarmac are on Quiver?

Quiver has the Specialized Tarmac for 2008, 2026, 2020, 2019, 2018, 2017, 2016, 2015, 2012, 2011, 2010, 2009, and 2007.

2008

2008 Specialized Tarmac SL

Road

The 2008 Specialized Tarmac SL sits at the aggressive end of the range for a road bike. Reach 518 to 600 mm, stack 460 to 580 mm. The Tarmac S-Works SL build comes with Shimano Dura-Ace shifting and Specialized S-Works Mondo Open tires.

Compare with 1,800+ road bikes

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

Key facts

Brand: Specialized
Model: Tarmac
Model year: 2008
Frame: SL
Type: Road
Geometry labels: 49, 52, 54, 56, 58, and 61
Drivetrain: Shimano Dura-Ace
Geometry: Some measurements unavailable
Source: specialized.com
Checked: Sep 5, 2026

Geometry by size

2008 Specialized Tarmac SL geometry by size
Measurement	49	52	54	56	58	61
Reach(mm)	518	537	548	565	582	600
Stack(mm)	460	490	510	530	550	580
Seat tube angle(°)	57	62	57	56	Not available	56
Seat tube length(mm)	405	405	405	405	407	410
Head tube length(mm)	170	170	172.5	172.5	175	175

Not available

Requested. Requests decide what we research next.

How to read a geometry chart

Stock build

8 parts

Drivetrain

Shimano Dura-Ace

ShifterWeight 671 g

Shimano Dura-Ace

DerailleurMaximum cog 30 tMount type standardWeight 216 g

Shimano Dura-Ace

Chain

Wheels & Tires

Specialized S-Works Mondo Open

Tire

Brakes

Shimano Dura-Ace

BrakeFluid type Mineral

Cockpit

Specialized S-Works Pro-Set

Stem

Specialized S-Works Mindset

Headset

Seatpost & Saddle

Specialized Toupé Team

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2008 Specialized Tarmac SL?: Geometry is listed for 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2008 Specialized Tarmac SL in size 56?: In size 56, reach is 565 mm and stack is 530 mm.
What does the 2008 Specialized Tarmac S-Works SL ship with?: The stock build includes Shimano Dura-Ace, Specialized S-Works Mondo Open, Shimano Dura-Ace, and Specialized S-Works Pro-Set.
Which years of the Specialized Tarmac are on Quiver?: Quiver has the Specialized Tarmac for 2008, 2026, 2020, 2019, 2018, 2017, 2016, 2015, 2012, 2011, 2010, 2009, and 2007.