2023 TREK Fuel EX 9.8 XT Gen 6

The Fuel EX 9.8 XT is an all-around trail bike that blends the light, smooth ride of a carbon frame with upgraded parts made for hard rides. Decked out with 150 mm of front and 140 mm rear FOX Performance suspension, you'll be ready to float through the tough stuff, while carbon wheels keep you tracking through rowdy terrain. A Shimano XT drivetrain tops things off for precise shifting for power on descents and relief on long climbs.

You're chasing long flowy and technical descents, and want to pedal back to the top for more, lap after lap. You want the vibration-damping benefits of a carbon frame and carbon wheels, plus upgraded suspension that smooths out the rough and rowdy.

A light and stiff carbon frame with a full FOX Performance suspension package that smooths out rowdy rock gardens and root latices. Plus, carbon wheels that keep your set-up light, while a Shimano XT drivetrain for smooth shifting and brake modulation. Finally, you'll find adjustable geometry and in-frame storage for keeping your set-up dialled just for you.

The Fuel EX 9.8 is the culmination of years of trail riding and progression, with longer front end geometry for tackling steeper and hairier descents, and a steeper seat tube to keep you perched on climbs. It's equipped with the cherry-picked components you want, like upgraded suspension, carbon wheels and a Shimano XT drivetrain.

You'll get the light weight and vibration-damping benefits of a full carbon frame, and geometry built to handle anything
It comes with light and stiff carbon wheels that make quick work of technical terrain and keep you on your line, even when things get hairy
With the adjustable angle headset (angled cups sold separately) and Mino Link, you can choose from six different geometry configurations
We expanded our size range to ensure a better fit for all riders, and use the best-fitting wheels for each frame size: XS frames get 27.5˝ wheels, S frames get to choose between 27.5˝ or 29˝, and sizes M and up get 29˝ wheels
You get the precise shifting and brake modulation of a Shimano XT drivetrain, plus the simple reliability of a threaded bottom bracket

Specs

*Please note – spec applies to all sizes unless listed separately

Frameset

Frame	OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9 mm seat tube, ISCG 05, 55 mm chain line, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140 mm travel
Fork	Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 150 mm travel
Shock	Fox Performance Float X, 2-position damper, 185 mm x 55 mm
Max compatible fork travel	160mm

Wheels

Wheel front	Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle
Wheel rear	Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless-Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle
Skewer rear	Bontrager Switch thru-axle, removable lever
*Tyre	Size: S Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5 x 2.50"
*Tyre	Size: S , M , ML , L , XL Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"
Tyre part	Bontrager TLR sealant, 180 ml/6 oz
Rim strip	Bontrager TLR
Max tyre size	Frame: 29x2.50" (XS & S: 27.5x2.50"), Fork: See manufacturer

Drivetrain

Shifter	Shimano XT M8100, 12-speed
Rear derailleur	Shimano XT M8100, long cage
Crank	Shimano XT M8120, 30T, 55 mm chain line, 170 mm length
Bottom bracket	Shimano BB-MT501 BSA
Cassette	Shimano XT M8100, 10-51, 12-speed
Chain	Shimano Ultegra/XT M8100, 12-speed
Max. chainring size	1x: 34T round, 32T oval, min 28T

Components

Saddle	Bontrager Arvada, austenite rails, 138 mm width
*Seatpost	Size: S Bontrager Line Elite Dropper, 100 mm travel, MaxFlow, internal routing, 34.9 mm, 345 mm length
	Size: M , ML Bontrager Line Elite Dropper, 150 mm travel, MaxFlow, internal routing, 34.9 mm, 440 mm length
	Size: L Bontrager Line Elite Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 485 mm length
	Size: XL Bontrager Line Elite Dropper, 200 mm travel, MaxFlow, internal routing, 34.9 mm, 550 mm length
*Handlebar/stem (integrated)	Size: S Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 35 mm stem length
*Handlebar/stem (integrated)	Size: M , ML , L , XL Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 45mm stem length
Grips	Bontrager XR Trail Elite, nylon lock-on
Head set	Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible
Brake	Shimano XT M8120 4-piston hydraulic disc
*Brake rotor	Size: S , M , ML , L , XL Shimano RT76, 6-bolt, 180 mm
*Brake rotor	Size: M , ML , L , XL Shimano RT76, 6-bolt, 203 mm
Rotor size	Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer

Accessories

Bag	Bontrager BITS Internal Frame Storage Bag

Weight

Weight	M – 14.33 kg/31.6 lb (with TLR sealant, no tubes)
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

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2023 TREK Fuel EX 9.8 XT Gen 6

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