Loading geometry
Trek's long-running trail 29er. Modern years are slack and long-reach; older years ride more like a trail bike of their era. Compare year-to-year before you assume the numbers match.
Trail riders who want one Trek for climbs and descents. A 2006 Fuel EX is not a 2026 Fuel EX.
| Size | Stack | Reach | Stack/reach | Stem | Bar | Crank | Dropper | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop | Wheel size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 610 mm | 430 mm | 1.42:1 | 50 mm | 800 mm | 175 mm | 170 mm | 65.0° | 76.5° | 435 mm | 1185 mm | 35 mm | 29" |
| M | 620 mm | 455 mm | 1.36:1 | 50 mm | 800 mm | 175 mm | 170 mm | 65.0° | 76.8° | 435 mm | 1210 mm | 35 mm | 29" |
| L | 630 mm | 480 mm | 1.31:1 | 50 mm | 800 mm | 175 mm | 170 mm | 65.0° | 77.0° | 435 mm | 1238 mm | 35 mm | 29" |
| XL | 644 mm | 505 mm | 1.28:1 | 50 mm | 800 mm | 175 mm | 170 mm | 65.0° | 77.2° | 435 mm | 1268 mm |
This year's studio shot is Fuel EX 5.
Same published geometry as 2023.
No verified spec sheet for 2024 or 2023.
No launch MSRP in the catalog yet.
Trek Fuel EX 9.7 review | Trail Bike of the Year contenderBikeRadar · 2024
The Trek Fuel EX 9.9 X0 AXS T-Type – In our big 2024 trail ...ENDURO Mountainbike Magazine · 2024
trek fuel ex 5 gen 5 reviewThe Loam Wolf · 2024
Trek Fuel EX 9.8 review - MBRMBR · 2019
First ride review: the new Trek Fuel EX 9.9 2020ENDURO Mountainbike Magazine · 2019| 35 mm |
| 29" |
| XXL | 658 mm | 525 mm | 1.25:1 | 50 mm | 800 mm | 175 mm | 170 mm | 65.0° | 77.4° | 435 mm | 1294 mm | 35 mm | 29" |
