2026
2026 Specialized Tarmac SL8 Pro Shimano
The 2026 Specialized Tarmac SL8 Pro Shimano sits more aggressive than most road bikes, with a steeper head angle and a longer rear center. Reach 375 to 408 mm, stack 514 to 612 mm. The Tarmac SL8 Pro - Shimano Ultegra Di2 build comes with Shimano Ultegra R8150 Di2 shifting and Roval Rapide CL III wheels.
Checked .
Key facts
- Brand
- Specialized
- Model
- Tarmac SL8
- Model year
- 2026
- Frame
- Pro Shimano
- Type
- Road
- Geometry labels
- 49, 52, 54, 56, 58, and 61
- Drivetrain
- Shimano Ultegra R8150 Di2
- Wheels
- Roval Rapide CL III
- Geometry
- Some measurements unavailable
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Things to know
Compared with other road bikes on frame geometry alone.
- Steeper head angle than 9 in 10 road bikes: 73.5 degrees, where most sit near 72.5.
Geometry by size
| Measurement | 49 | 52 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Reach(mm) | 375 | 380 | 384 | 395 | 402 | 408 |
| Stack(mm) | 514 | 527 | 544 | 565 | 591 | 612 |
| Head tube angle(°) | Not available | 72.5 | 73 | 73.5 | 73.5 | 74 |
| Seat tube angle(°) | 75.5 | 74 | 74 | 73.5 | 73.5 | 73 |
| Chainstay length(mm) | 410 | 410 | 410 | 410 | 410 | 410 |
| Wheelbase(mm) | 973 | 975 | 978 | 991 | Not available | Not available |
| Head tube length(mm) | 109 | 120 | 137 | 157 | 184 | 204 |
✓Sources agree Not available
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Stock build
17 parts
Frame
Specialized Tarmac SL8
Suspension
Specialized FACT 10r
Drivetrain
Shimano Ultegra R8170
Shimano Ultegra R8150 Di2
Shimano Ultegra
Shimano XT M8100
Shimano Threaded BSA
Wheels & Tires
Roval Rapide CL III
Specialized S-Works Turbo
Brakes
Shimano Ultegra R8170
Shimano Ultegra R8170
Cockpit
Seatpost & Saddle
Specialized S-Works Tarmac SL8
Specialized Power Pro
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Quick answers
- Which size or configuration labels have geometry for the 2026 Specialized Tarmac SL8 Pro Shimano?
- Geometry is listed for 49, 52, 54, 56, 58, and 61.
- What are the reach and stack of the 2026 Specialized Tarmac SL8 Pro Shimano in size 56?
- In size 56, reach is 395 mm and stack is 565 mm.
- What is the head tube angle of the 2026 Specialized Tarmac SL8 Pro Shimano?
- The head tube angle is 73.5 degrees in size 56.
- What does the 2026 Specialized Tarmac SL8 Pro - Shimano Ultegra Di2 ship with?
- The stock build includes Specialized Tarmac SL8, Specialized FACT 10r, Shimano Ultegra R8170, and Roval Rapide CL III.
- Which years of the Specialized Tarmac SL8 are on Quiver?
- Quiver has the Specialized Tarmac SL8 for 2026, 2025, and 2024.
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