2021
2021 Trek Fuel EX
The 2021 Trek Fuel EX sits more aggressive than most trail bikes. Reach 400 to 520 mm, stack 559 to 641 mm. The Fuel EX 5 Deore build comes with Shimano Deore shifting and Alex Rims MD35 wheels.
Source: trekbikes.com. Checked .
Key facts
- Brand
- Trek
- Model
- Fuel EX
- Model year
- 2021
- Type
- Trail
- Geometry labels
- XS, S, M, ML, L, XL, and XXL
- Drivetrain
- Varies by build
- Fork
- Varies by build
- Rear shock
- X-Fusion Pro 2
- Wheels
- Varies by build
- 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 Deore
Frame
Suspension
RockShox Recon Silver
Drivetrain
Wheels & Tires
Brakes
Shimano SM-RT56
Seatpost & Saddle
Keep your Fuel EX 5 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
Fuel EX 8 GX
Frame
Trek Alpha Platinum
Suspension
Fox 34 Rhythm
Drivetrain
Wheels & Tires
Bontrager XR4 Team Issue
Brakes
Cockpit
Seatpost & Saddle
Keep your Fuel EX 8 GX 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?
- Geometry is listed for XS, S, M, ML, L, XL, and XXL.
- What are the reach and stack of the 2021 Trek Fuel EX 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?
- The head tube angle is 66.5 degrees in every size.
- What does the 2021 Trek Fuel EX 5 Deore ship with?
- The stock build includes Trek Alpha Platinum, RockShox Recon Silver, Shimano Deore XT Di2, and Alex Rims MD35.
- 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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