2021
2021 Trek Fuel EX Gen 5
The 2021 Trek Fuel EX Gen 5 sits more aggressive than most trail bikes. Reach 400 to 520 mm, stack 559 to 641 mm. The Fuel EX 5 Gen 5 build comes with Shimano Deore M6100 shifting and Bontrager XR4 Comp tires.
Source: trekbikes.com. Checked .
Key facts
- Brand
- Trek
- Model
- Fuel EX
- Model year
- 2021
- Frame
- Gen 5
- Type
- Trail
- Geometry labels
- XS, S, M, ML, L, XL, and XXL
- Drivetrain
- Varies by build
- Fork
- Varies by build
- Wheels
- Bontrager Line Comp 30
- Geometry
- Complete for every size
- Source
- trekbikes.com
- Checked
Geometry by size
| Measurement | XS | S | M | ML | L | XL | XXL |
|---|---|---|---|---|---|---|---|
| Reach(mm) | 400 | 420 | 445 | 460 | 475 | 500 | 520 |
| Stack(mm) | 559 | 568 | 605 | 609 | 609 | 623 | 641 |
| Head tube angle(°) | 66.5 | 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 | 75.5 |
| Effective top tube(mm) | 545 | 567 | 602 | 618 | 633 | 662 | 687 |
| Chainstay length(mm) | 436 | 436 | 436 | 436 | 436 | 436 | 436 |
| Wheelbase(mm) | 1119 | 1143 | 1178 | 1195 | 1210 | 1241 | 1269 |
| BB drop(mm) | 14 | 14 | 28 | 28 | 27 | 27 | 27 |
| BB height(mm) | 341 | 341 | 346 | 346 | 346 | 346 | 346 |
| Standover(mm) | 700 | 698 | 748 | 751 | 756 | 768 | 806 |
| Seat tube length(mm) | 355 | 395 | 420 | 435 | 450 | 500 | 540 |
| Head tube length(mm) | 90 | 100 | 100 | 105 | 105 | 120 | 140 |
Stock build
Fuel EX 5 Gen 5
Frame
Suspension
Drivetrain
Wheels & Tires
Cockpit
Seatpost & Saddle
Keep your Fuel EX 5 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 7 Gen 5
Frame
Suspension
Drivetrain
Wheels & Tires
Cockpit
Seatpost & Saddle
Keep your Fuel EX 7 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 8 Gen 5
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Keep your Fuel EX 8 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 Gen 5?
- Geometry is listed for XS, S, M, ML, L, XL, and XXL.
- What are the reach and stack of the 2021 Trek Fuel EX 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 Gen 5?
- The head tube angle is 66.5 degrees in every size.
- What does the 2021 Trek Fuel EX 5 Gen 5 ship with?
- The stock build includes Trek Alpha Platinum, RockShox Recon, Shimano Deore M6100, and Bontrager XR4 Comp.
- 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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