2026
2026 Transition Sentinel Carbon
The 2026 Transition Sentinel Carbon sits more aggressive than most trail bikes, with a slacker head angle and a shorter rear center. Reach 430 to 505 mm, stack 615 to 642 mm. The Sentinel Carbon Eagle 90 build comes with SRAM Eagle 90 Transmission shifting and DT Swiss M1900 wheels.
Source: transitionbikes.com. Checked .
Key facts
- Brand
- Transition
- Model
- Sentinel
- Model year
- 2026
- Frame
- Carbon
- Type
- Trail
- Geometry labels
- S, M, L, and XL
- Drivetrain
- Varies by build
- Fork
- Varies by build
- Rear shock
- Varies by build
- Wheels
- Varies by build
- Geometry
- Complete for every size
- Source
- transitionbikes.com
- Checked
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 430 | 455 | 480 | 505 |
| Stack(mm) | 615 | 621 | 633 | 642 |
| Head tube angle(°) | 64.0 | 64.0 | 64.0 | 64.0 |
| Seat tube angle(°) | 78.7 | 77.9 | 77.3 | 76.8 |
| Effective top tube(mm) | 557 | 586 | 614 | 642 |
| Chainstay length(mm) | 442 | 442 | 442 | 446 |
| Wheelbase(mm) | 1208 | 1237 | 1267 | 1300 |
| BB height(mm) | 350 | 350 | 350 | 350 |
| Standover(mm) | 690 | 690 | 695 | 705 |
| Seat tube length(mm) | 360 | 390 | 430 | 460 |
| Head tube length(mm) | 100 | 110 | 120 | 130 |
Stock build
Sentinel Carbon Eagle 90
Frame
Suspension
RockShox Lyrik Ultimate
RockShox Super Deluxe Ultimate Trunnion
Drivetrain
SRAM GX Eagle Transmission
SRAM 30 GX
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Sentinel Carbon Eagle 90 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
Sentinel Carbon XT Di2
Frame
Suspension
Fox 36 Factory
Fox Float X2 Factory
Drivetrain
Wheels & Tires
Brakes
Shimano SM-RT86
Cockpit
Race Face ERA
Seatpost & Saddle
Fox Transfer
Keep your Sentinel Carbon XT Di2 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
✓Sources agreeMManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2026 Transition Sentinel Carbon?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2026 Transition Sentinel Carbon in size L?
- In size L, reach is 480 mm and stack is 633 mm.
- What is the head tube angle of the 2026 Transition Sentinel Carbon?
- The head tube angle is 64.0 degrees in every size.
- What does the 2026 Transition Sentinel Carbon Eagle 90 ship with?
- The stock build includes Transition Sentinel, RockShox Lyrik Ultimate, SRAM Eagle 90 Transmission, and DT Swiss M1900.
- Which years of the Transition Sentinel are on Quiver?
- Quiver has the Transition Sentinel for 2026.
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