2021
2021 Trek Fuel EX 9.9 Gen 5
The 2021 Trek Fuel EX 9.9 Gen 5 sits more aggressive than most trail bikes. Reach 400 to 500 mm, stack 559 to 623 mm. The Fuel EX 9.9 X01 AXS Gen 5 build comes with SRAM X01 Eagle AXS shifting and Bontrager Line Pro 30 wheels.
Source: trekbikes.com. Checked .
Key facts
- Brand
- Trek
- Model
- Fuel EX
- Model year
- 2021
- Frame
- 9.9 Gen 5
- Type
- Trail
- Geometry labels
- XS, S, M, ML, L, and XL
- Drivetrain
- Varies by build
- Fork
- Fox 36 Factory
- Wheels
- Varies by build
- Geometry
- Complete for every size
- Source
- trekbikes.com
- Checked
Geometry by size
| Measurement | XS | S | M | ML | L | XL |
|---|---|---|---|---|---|---|
| Reach(mm) | 400 | 420 | 445 | 460 | 475 | 500 |
| Stack(mm) | 559 | 568 | 605 | 609 | 609 | 623 |
| Head tube angle(°) | 66.5 | 66.5 | 66.5 | 66.5 | 66.5 | 66.5 |
| Seat tube angle(°) | 75.5 | 75.5 | 75.5 | 75.5 | 75.5 | 75.5 |
| Effective top tube(mm) | 545 | 567 | 602 | 618 | 633 | 662 |
| Chainstay length(mm) | 435 | 436 | 435 | 435 | 435 | 435 |
| Wheelbase(mm) | 1119 | 1143 | 1178 | 1195 | 1210 | 1241 |
| BB drop(mm) | 14 | 14 | 28 | 28 | 27 | 27 |
| BB height(mm) | 341 | 341 | 346 | 346 | 346 | 346 |
| Standover(mm) | 700 | 708 | 747 | 752 | 754 | 776 |
| Seat tube length(mm) | 355 | 395 | 420 | 435 | 450 | 500 |
| Head tube length(mm) | 90 | 100 | 100 | 105 | 105 | 120 |
Stock build
Fuel EX 9.9 X01 AXS Gen 5
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Fuel EX 9.9 X01 AXS Gen 5 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 EX 9.9 X01 Gen 5
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Fuel EX 9.9 X01 Gen 5 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 EX 9.9 XTR Gen 5
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Fuel EX 9.9 XTR Gen 5 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 2021 Trek Fuel EX 9.9 Gen 5?
- Geometry is listed for XS, S, M, ML, L, and XL.
- What are the reach and stack of the 2021 Trek Fuel EX 9.9 Gen 5 in size ML?
- In size ML, reach is 460 mm and stack is 609 mm.
- What is the head tube angle of the 2021 Trek Fuel EX 9.9 Gen 5?
- The head tube angle is 66.5 degrees in every size.
- What does the 2021 Trek Fuel EX 9.9 X01 AXS Gen 5 ship with?
- The stock build includes Trek OCLV, Fox 36 Factory, SRAM Eagle AXS, and Bontrager Line Pro 30.
- Which years of the Trek Fuel EX are on Quiver?
- Quiver has the Trek Fuel EX for 2021, 2027, 2026, 2025, 2024, 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, and 2005.
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