2026
2026 Surly Preamble Flat Bar
The 2026 Surly Preamble Flat Bar sits in the middle of the range for gravel bikes, with a steeper head angle. Reach 352 to 421 mm, stack 517 to 643 mm. The Preamble Flat Bar build comes with microSHIFT RD-M5185M shifting and Kenda Kwik Tendril tires. It launched at $1,099.
Source: surlybikes.com. Checked .
Key facts
- Brand
- Surly
- Model
- Preamble
- Model year
- 2026
- Frame
- Flat Bar
- Type
- Gravel
- Geometry labels
- XS, S, M, L, and XL
- Drivetrain
- microSHIFT RD-M5185M
- Launch price
- $1,099
- Geometry
- Complete for every size
- Source
- surlybikes.com
- Checked
Geometry by size
| Measurement | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Reach(mm) | 352 | 381 | 391 | 404 | 421 |
| Stack(mm) | 517 | 535 | 567 | 605 | 643 |
| Head tube angle(°) | 70 | 71 | 72 | 72 | 72 |
| Seat tube angle(°) | 74 | 73 | 72.5 | 72 | 72 |
| Effective top tube(mm) | 500 | 545 | 570 | 600 | 630 |
| Chainstay length(mm) | 420 | 420 | 435 | 435 | 435 |
| Wheelbase(mm) | 987 | 1013 | 1030 | 1055 | 1085 |
| BB drop(mm) | 54 | 54 | 66 | 66 | 66 |
| Standover(mm) | 722 | 776 | 826 | 863 | 901 |
| Seat tube length(mm) | 410 | 505 | 565 | 605 | 645 |
| Fork length(mm) | 380 | 380 | 400 | 400 | 400 |
| Head tube length(mm) | 120 | 135 | 130 | 170 | 210 |
Stock build
7 partsLaunch price $1,099
Frame
Drivetrain
Wheels & Tires
Brakes
Seatpost & Saddle
Selle Italia X
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Quick answers
- Which size or configuration labels have geometry for the 2026 Surly Preamble Flat Bar?
- Geometry is listed for XS, S, M, L, and XL.
- What are the reach and stack of the 2026 Surly Preamble Flat Bar in size M?
- In size M, reach is 391 mm and stack is 567 mm.
- What is the head tube angle of the 2026 Surly Preamble Flat Bar?
- The head tube angle is 72 degrees in size M.
- What does the 2026 Surly Preamble Flat Bar ship with?
- The stock build includes Surly Preamble, microSHIFT Acolyte Xpress, Kenda Kwik Tendril, and Avid BB5.
- How much does the 2026 Surly Preamble Flat Bar cost?
- The reference price at launch was $1,099. Check the brand's site for current pricing.
- Which years of the Surly Preamble are on Quiver?
- Quiver has the Surly Preamble for 2026.
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