2026
2026 Transition Spur
The 2026 Transition Spur sits more aggressive than most trail bikes. Reach 425 to 505 mm, stack 612 to 644 mm. The Spur Eagle 70 build comes with SRAM GX Eagle Transmission shifting and WTB ST wheels.
Source: transitionbikes.com. Checked .
Key facts
- Brand
- Transition
- Model
- Spur
- Model year
- 2026
- 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) | 425 | 455 | 480 | 505 |
| Stack(mm) | 612 | 621 | 630 | 644 |
| Head tube angle(°) | 65.5 | 65.5 | 65.5 | 65.5 |
| Seat tube angle(°) | 76.7 | 76.3 | 75.9 | 75.6 |
| Effective top tube(mm) | 570 | 603 | 631 | 660 |
| Chainstay length(mm) | 436 | 436 | 441 | 441 |
| Wheelbase(mm) | 1163 | 1197 | 1231 | 1262 |
| BB drop(mm) | 47 | 47 | 47 | 47 |
| BB height(mm) | 328 | 328 | 328 | 328 |
| Standover(mm) | 660 | 660 | 660 | 660 |
| Seat tube length(mm) | 360 | 390 | 430 | 460 |
| Head tube length(mm) | 100 | 110 | 120 | 135 |
Stock build
Spur Eagle 70
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Spur Eagle 70 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
Spur Eagle 90
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Spur 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
Spur XT Di2
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Spur 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
Spur XTR Di2
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Spur XTR 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 Spur?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2026 Transition Spur in size L?
- In size L, reach is 480 mm and stack is 630 mm.
- What is the head tube angle of the 2026 Transition Spur?
- The head tube angle is 65.5 degrees in every size.
- What does the 2026 Transition Spur Eagle 70 ship with?
- The stock build includes Transition SPUR, Fox 34 Performance, SRAM Eagle 70 Transmission, and WTB ST.
- Which years of the Transition Spur are on Quiver?
- Quiver has the Transition Spur for 2026.
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



