Fuel EX 9.8 GX AXS Gen 6
A 27.5″ / 29″ carbon frame full suspension trail bike with high-end components.
Manufacturer Price
$5,499Weight | 31.2 lbs |
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Frame | Carbon |
Suspension | Full, 140 / 150mm |
Fork | Fox Performance Float 36 |
Shock | Fox Float X Performance |
Wheels | 27.5″ / 29″ Carbon |
Drivetrain | 1 × 12 Electronic |
Groupset | GX Eagle AXS |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
4'9" – 5'2"
5'0" – 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
Sep 2022
New geometry, more travel, and even better suspension improves Trek's mid-weight trail bike.
Sep 2022 · Guy Kesteven
More travel, longer, slacker and steeper, with extra adjustability and shock options. But how does Trek’s new trail all-rounder ride?
Superbly balanced adjustable geometry
Awesome suspension performance in ‘progressive’ mode
Poppy, playful and fast-climbing for its weight
Truly premium wireless, Fox Factory, carbon-loaded spec
Lifetime warranty, threaded BB and tunneled routing
Heavy for spec and travel
Costs more than parts sold separately
Default shock set-up is too linear
Headset adjustment is laborious
XX1 is fragile for aggro trail use
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 Tire Clearance: 2.5" |
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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 |
Bottom Bracket | SRAM DUB MTB Wide, 73mm, BSA threaded |
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 | SRAM GX Eagle AXS |
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Crank | SRAM GX Eagle, DUB MTB Wide, 30T, 55mm chainline, 170 length |
Shifters | SRAM GX Eagle AXS, 12 speed |
Cassette | SRAM Eagle XG-1275, 10-52, 12 speed |
Chain | SRAM GX Eagle, 12 speed |
Brakes | SRAM Code R 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, SRAM XD driver, 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, SRAM XD driver, Boost148, 12mm thru axle, 29'' |
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Tires | Size: XS, S, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5x2.50''; Size: S, M, ML, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' |
Disc Rotors | Size: XS, S, M, ML, L, XL, SRAM CenterLine, 6-bolt, round edge, 180mm; Size: M, ML, L, XL, SRAM CenterLine, 6-bolt, round edge, 200mm |
Last updated June 22