3T2026
2026 3T Primo
The 2026 3T Primo sits more aggressive than most gravel bikes, with a steeper head angle. Reach 366 to 402 mm, stack 517 to 604 mm. The Primo GRX 1X12 build comes with Shimano GRX RX822 SGS shifting and Fulcrum Rapid Red 900 wheels.
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Key facts
- Brand
- 3T
- Model
- Primo
- Model year
- 2026
- Type
- Gravel
- Geometry labels
- S, M, L, and XL
- Drivetrain
- Shimano GRX RX822 SGS
- Fork
- 3T Fango Primo2
- Wheels
- Fulcrum Rapid Red 900
- Geometry
- Some measurements unavailable
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Things to know
Compared with other gravel bikes on frame geometry alone.
- Slacker seat angle than 9 in 10 gravel bikes: 72.5 degrees, where most sit near 73.5.
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 366 | 378 | 390 | 402 |
| Stack(mm) | 517 | 546 | 575 | 604 |
| Head tube angle(°) | 69.5 | 71.1 | 72.5 | 72.5 |
| Seat tube angle(°) | 72.5 | 72.5 | 72.5 | 72.5 |
| Effective top tube(mm) | 529 | 550 | 571 | 592 |
| BB drop(mm) | 70 | 70 | 70 | 70 |
| Seat tube length(mm) | 463 | 490 | Not available | Not available |
| Head tube length(mm) | 101 | 125 | 150 | 180 |
✓Sources agree Not available
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Stock build
14 parts
Frame
3T Primo2
Suspension
Drivetrain
Wheels & Tires
Brakes
Shimano SM-RT64
Cockpit
Seatpost & Saddle
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Quick answers
- Which size or configuration labels have geometry for the 2026 3T Primo?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2026 3T Primo in size L?
- In size L, reach is 390 mm and stack is 575 mm.
- What is the head tube angle of the 2026 3T Primo?
- The head tube angle is 72.5 degrees in size L.
- What does the 2026 3T Primo GRX 1X12 ship with?
- The stock build includes 3T Primo2, 3T Fango Primo2, Shimano GRX RX610, and Fulcrum Rapid Red 900.
- Which years of the 3T Primo are on Quiver?
- Quiver has the 3T Primo for 2026.
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