2024 Trek
Fuel EX 9.8 XT Gen 6
A 29″ carbon frame full suspension trail bike with high-end components.
Compare the full range
Manufacturer Price
$6,749| Weight | 31.5 lbs |
|---|---|
| Frame | Carbon |
| Suspension | Full, 140 / 150mm |
| Fork | Fox Performance Float 36 |
| Shock | Fox Float X Performance |
| Wheels | 29″ Carbon |
| Drivetrain | 1 × 12 |
| Groupset | XT |
| Brakes | Hydraulic Disc |
| Seatpost | Dropper |
For This Bike
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full Fuel EX model range
View Comparison5'1" – 5'6"
5'4" – 5'10"
5'8" – 5'11"
5'9" – 6'3"
6'1" – 6'5"
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Jun 2023 · Tom Marvin
A solid performer with a class-leading chassis, let down by a harsh front end
Great frame, with perfect handling and suspension feel
Adjustable geometry and sizing options mean a bike fit for all
Happy on any level of trail
Cockpit harshness
Mediocre tyres
Poor brakes
Expensive
Jun 2023 · Scotty Prendergast
Arguably one of the all-time most popular bike models of any MTB on the planet, the ‘Fuel Ex’ has been at the peak of Trek’s MTB line-up for as long as anyone can remember and it has had no fewer than six major design overhauls during that time. Late last year Trek unveiled their newest reinvention of the ‘do it all trail bike’ which rolls out of the store boasting a ton of rider customisation features, including a choice of [...]
May 2023 · Jeremy Benson
The new Gen 6, Fuel EX 9.8 is the burliest, most versatile, and most capable Fuel yet; truly up for whatever you want to ride. Trek completely redesigned...
Apr 2023 · Mike Kazimer
Kazimer's bike is set up with mixed wheels, a 160mm fork, and a coil shock.
Apr 2023 · Drew Rohde
While the new Trek Fuel EX may have alienated a few riders, it will no doubt be a welcome redesign for a lot more riders!
Fast, confident and ready to rock!
More capable than ever
Great downtube storage solution
Adjustable and versatile geometry options
Med/Large size
Bar/Stem combo
SE5 Tires in the wet
Some may not like the newer, burlier bike’s transition
Oct 2022
All-new for 2023, the Trek Fuel EX is no doubt the burliest yet. How does it compare to the competition? Read on for our Trek Fuel EX review.
Sturdy, flex-free chassis
Superb geometry with adjustable head angle
Efficient & comfortable climbing performance
Coil shock, big fork & mullet compatibility
Mechanic-friendly frame furnishings
Internal storage
Frame is on the heavy side
Rear shock tune lacks small-bump suppleness
Rattly rear thru-axle lever
Sep 2022
New geometry, more travel, and even better suspension improves Trek's mid-weight trail bike.
Sep 2022
Trek's top-tier Fuel EX 9.9 XX1 AXS delights on the climbs and tackles downhill terrain with it's slack (and very adjustable) geometry.
| Frame | OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel BB Standard: BSA, 73mm, Threaded Hanger Standard: UDH |
|---|---|
| Fork | Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel Travel: 150mm Spring Type: Air |
| Shock | Fox Performance Float X, 2-position damper, 185mm x 55mm Travel: 140mm Spring Type: Air |
| Bottom Bracket | Shimano BB-MT501 BSA |
| Headset | Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible |
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
| Seatpost | Size: XS, S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, ML, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length Type: Dropper |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| Rear Derailleur | Shimano XT M8100, long cage |
|---|---|
| Crank | Shimano XT M8120, 30T, 55mm chainline, 170mm length |
| Shifters | Shimano XT M8100, 12 speed |
| Cassette | Shimano XT M8100, 10-51, 12 speed |
| Chain | Shimano Ultegra/XT M8100, 12 speed |
| Brakes | Shimano XT M8120 4-piston hydraulic disc Type: Hydraulic Disc |
| Rims | Front: Size: XS, S, Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5''; Size: S, M, ML, L, XL, Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Size: XS, S, Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 27.5''; Size: S, M, ML, L, XL, Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 29'' |
|---|---|
| Tires | Size: XS, S, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 27.5x2.50''; Size: S, M, ML, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 29x2.50'' |
| Disc Rotors | Size: XS, S, M, ML, L, XL, Shimano RT86, 6-bolt, 180mm; Size: M, ML, L, XL, Shimano RT86, 6-bolt, 203mm |
Last updated April 28