Roubaix 2026
Roubaix SL8 Pro
The 2026 Specialized Roubaix SL8 Pro is a road bike offered in 7 sizes, 44 to 61. Stack runs from 543 to 665 mm. It ships with SRAM Force and Roval Rapide CL.
Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing.
Key facts
- Brand
- Specialized
- Model
- Roubaix
- Model year
- 2026
- Frame
- SL8 Pro
- Type
- Road
- Sizes
- 44, 49, 52, 54, 56, 58, and 61
- Verified measurements
- 75 of 77
- Last checked
2026 Specialized Roubaix SL8 Pro geometry by size
| Measurement | 44 | 49 | 52 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|---|
| Stack(mm) | 543mm | 549mm | 566mm | 585mm | 605mm | 630mm | 665mm |
| Head tube angle(°) | 69.3° | 70.8° | 71.5° | 72.3° | 73° | 73° | 73.5° |
| Seat tube angle(°) | 75° | 74° | 74° | 74° | 73.5° | 73.5° | 73.5° |
| Effective top tube(mm) | 503mm | 523mm | 534mm | 550mm | 569mm | 584mm | 600mm |
| Chainstay length(mm) | 418mm | 418mm | 418mm | 420mm | 420mm | 423mm | 423mm |
| Wheelbase(mm) | 994mm | 992mm | not yet verified | 1005mm | 1012mm | 1031mm | 1042mm |
| BB drop(mm) | 80mm | 80mm | 80mm | 78mm | 78mm | 78mm | 78mm |
| Standover(mm) | 686mm | 719mm | 747mm | 766mm | 787mm | 809mm | 847mm |
| Seat tube length(mm) | 365mm | 410mm | not yet verified | 465mm | 485mm | 505mm | 545mm |
| Fork length(mm) | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm |
| Head tube length(mm) | 90mm | 90mm | 105mm | 122mm | 140mm | 168mm | 202mm |
Last checked .
2026 Specialized Roubaix stock build
19 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Quick answers
What sizes does the 2026 Specialized Roubaix SL8 Pro come in?
It comes in 7 sizes: 44, 49, 52, 54, 56, 58, and 61.
What are the reach and stack of the 2026 Specialized Roubaix SL8 Pro in size 54?
In size 54, stack is 585 mm.
What is the head tube angle of the 2026 Specialized Roubaix SL8 Pro?
The head tube angle is 72.3 degrees in size 54.
What does the 2026 Specialized Roubaix SL8 Pro ship with?
The stock build includes Specialized Roubaix, Specialized Future Shock, SRAM Force, and Roval Rapide CL.
Which years of the Specialized Roubaix are in the catalog?
The catalog has the Specialized Roubaix for 2026 and 2023.
Other frames of the 2026 Roubaix
Other years of the Roubaix
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