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 year-true studio.
This is the earliest Fuel EX year in the catalog. No prior year to compare.
No verified spec sheet for 2022 yet.
No launch MSRP in the catalog yet.
Trek Fuel EX 9.9 first ride review - MBRMBR · 2022
Trek Fuel EX 8 review – still one of the best trail MTBs?Bike Perfect · 2022
Trek Fuel EX 9.9 XX1 AXS – a brilliantly balanced all- ...Bike Perfect · 2022
Trek Fuel EX 8 29 XT reviewENDURO Mountainbike Magazine · 2018
Trek Fuel EX 5 full suspension MTB review - CyclistCyclist · 2018| 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" |
