2026
2026 Trek Fuel+ MX 9.8 Gen 2
The 2026 Trek Fuel+ MX 9.8 Gen 2 sits more aggressive than most trail bikes, with a slacker head angle and a shorter rear center. Reach 426 to 527 mm, stack 627 to 668 mm. The Fuel+ MX 9.8 Eagle 90 Gen 2 build comes with SRAM Eagle 90 Transmission shifting and Bontrager Line Comp 30 wheels.
Source: trekbikes.com. Checked .
Key facts
- Brand
- Trek
- Model
- Fuel+ MX
- Model year
- 2026
- Frame
- 9.8 Gen 2
- Type
- Trail
- Geometry labels
- S, M, L, XL, and XXL
- Drivetrain
- Varies by build
- Fork
- Fox 36 Factory
- Rear shock
- Fox Float Factory
- Wheels
- Bontrager Line Comp 30
- Geometry
- Complete for every size
- Source
- trekbikes.com
- Checked
Geometry by size
| Measurement | S | M | L | XL | XXL |
|---|---|---|---|---|---|
| Reach(mm) | 426 | 456 | 482 | 507 | 527 |
| Stack(mm) | 627 | 627 | 641 | 654 | 668 |
| Head tube angle(°) | 64.2 | 64.2 | 64.2 | 64.2 | 64.2 |
| Seat tube angle(°) | 77.7 | 77.5 | 77.0 | 76.6 | 76.1 |
| Effective top tube(mm) | 560 | 590 | 619 | 652 | 682 |
| Chainstay length(mm) | 440 | 440 | 440 | 444 | 449 |
| Wheelbase(mm) | 1204 | 1234 | 1266 | 1301 | 1332 |
| BB drop(mm) | 31 | 31 | 31 | 31 | 31 |
| BB height(mm) | 343 | 343 | 343 | 343 | 343 |
| Standover(mm) | 758 | 752 | 755 | 759 | 769 |
| Seat tube length(mm) | 370 | 400 | 420 | 455 | 475 |
| Head tube length(mm) | 110 | 110 | 125 | 140 | 155 |
Stock build
Fuel+ MX 9.8 Eagle 90 Gen 2
Frame
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Fuel+ MX 9.8 Eagle 90 Gen 2 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
Fuel+ MX 9.8 XT Di2 Gen 2
Frame
Suspension
Drivetrain
Powertrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Fuel+ MX 9.8 XT Di2 Gen 2 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
Fuel+ MX 9.8 XT Gen 2
Suspension
Wheels & Tires
Cockpit
Keep your Fuel+ MX 9.8 XT Gen 2 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 Trek Fuel+ MX 9.8 Gen 2?
- Geometry is listed for S, M, L, XL, and XXL.
- What are the reach and stack of the 2026 Trek Fuel+ MX 9.8 Gen 2 in size L?
- In size L, reach is 482 mm and stack is 641 mm.
- What is the head tube angle of the 2026 Trek Fuel+ MX 9.8 Gen 2?
- The head tube angle is 64.2 degrees in every size.
- What does the 2026 Trek Fuel+ MX 9.8 Eagle 90 Gen 2 ship with?
- The stock build includes Trek OCLV, Fox 36 Factory, SRAM Eagle 90 Transmission, and TQ HPR60-DRV01.
- Which years of the Trek Fuel+ MX are on Quiver?
- Quiver has the Trek Fuel+ MX for 2026 and 2027.
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



