2026
2026 Transition Regulator
The 2026 Transition Regulator sits in the middle of the range for trail bikes, with a slacker head angle and a shorter rear center. Reach 425 to 510 mm, stack 623 to 651 mm. The Regulator Deore build comes with WTB ST i30 wheels.
Source: transitionbikes.com. Checked .
Key facts
- Brand
- Transition
- Model
- Regulator
- 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 | 510 |
| Stack(mm) | 623 | 632 | 641 | 651 |
| Head tube angle(°) | 64.5 | 64.5 | 64.5 | 64.5 |
| Seat tube angle(°) | 78.8 | 78.5 | 78.2 | 77.9 |
| Effective top tube(mm) | 551 | 583 | 610 | 643 |
| Chainstay length(mm) | 442 | 442 | 448 | 448 |
| Wheelbase(mm) | 1201 | 1235 | 1271 | 1305 |
| BB drop(mm) | 25 | 25 | 25 | 25 |
| BB height(mm) | 350 | 350 | 350 | 350 |
| Seat tube length(mm) | 375 | 400 | 440 | 470 |
| Head tube length(mm) | 105 | 115 | 125 | 135 |
Stock build
Regulator Deore
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Regulator Deore 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
Regulator Eagle 90
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Regulator 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
Regulator SX
Frame
Keep your Regulator SX 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
Regulator SX Deore
Frame
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Regulator SX Deore 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
Regulator SX Eagle 90
Frame
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Regulator SX 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
Regulator SX XT
Frame
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Regulator SX XT 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
Regulator XT
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Regulator XT 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 Regulator?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2026 Transition Regulator in size L?
- In size L, reach is 480 mm and stack is 641 mm.
- What is the head tube angle of the 2026 Transition Regulator?
- The head tube angle is 64.5 degrees in every size.
- What does the 2026 Transition Regulator Deore ship with?
- The stock build includes RockShox Lyrik Base, Shimano Deore, Bosch SX, and WTB ST i30.
- Which years of the Transition Regulator are on Quiver?
- Quiver has the Transition Regulator for 2026.
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