Trek Fuel EX 9.8 XT


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Fuel EX 9.8 is the carbon trail bike that can fly through singletrack, throw down with the rowdy trail crew, and crush miles during marathon races. A lightweight full OCLV Mountain Carbon frame, 1×12 Shimano XT drivetrain, carbon wheels, and FOX Performance Float suspension with Trek’s exclusive RE:aktiv with Thru Shaft shock make it the perfect choice for all-mountain shredders who want a single bike that does it all.

It’s right for you if…
You like going fast, getting rowdy, and clearing every obstacle on the first try. You want a single bike that can handle any trail, with high-quality parts, a carbon frame, and dialed suspension for everything from burly technical descents to single track and even endurance races.

The tech you get
A light and stiff full OCLV Mountain Carbon frame, 140mm FOX Performance 36 Float fork, 130mm of rear travel with a FOX Performance Float shock featuring Trek’s exclusive RE:aktiv with Thru Shaft, and a 1×12 Shimano XT drivetrain. Plus, powerful Shimano SLX 4-piston hydraulic disc brakes, Tubeless Ready Bontrager Line Carbon 30 wheels with a 54-tooth Rapid Drive rear hub for quick engagement, a Bontrager Line Elite dropper post, and a Bontrager Line Pro OCLV Carbon handlebar. An internal storage compartment lets you securely stow ride essentials and doesn’t detract from the bike’s sleek look.

The final word
Fuel EX 9.8 is the definitive mountain bike, and a great choice if you’re going to invest in a single bike for all kinds of terrain. A full carbon frame, quality parts build, and advanced suspension make it an outstanding all-around mountain bike for endurance racing and ripping every kind of trail.

Why you’ll love it
– This bike is light, fast, and capable of shredding any kind of trail whether you’re heading out for an afternoon session or miles of endurance riding
– RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
– A sleek internal storage compartment gives you a versatile spot to stow tools and gear
– We expanded our size range to ensure a better fit for all riders. And, you get the fastest wheel that fits your frame: XS frames get 27.5″ wheels, S frames get to choose between 27.5″ or 29″, and sizes M to XL get 29″ wheels
– Make it yours: it’s customizable through Project One



Frame OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
Fork Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm bolt-on axle, 140mm travel
Headset Knock Block Integrated, cartridge bearing, 1-1/8” top, 1.5” bottom
Rear Shock Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab
XS–S: 210×52.5mm; S–XL: 210x55mm
Axles Front: 110x15mm
Rear: 148x12mm
Rims/Wheels Bontrager Line Carbon 30
Hubs 54T Rapid Drive, 6-bolt, Shimano MicroSpline freehub
Tires Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 2.60”
Crankset Shimano XT M8100, Boost
XS–S: 170mm length; M–XL: 175mm length
Chainrings 32T alloy ring
Bottom Bracket Shimano MT500, 92mm, PressFit
Chain Shimano XT M8100, 12 speed
Rear Derailleur Shimano XT M8100, long cage, 51T max cog
Cassette/Rear Cogs Shimano XT M8100, 10-51, 12 speed
Shifters Shimano XT M8100, 12 speed
Handlebars Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
Tape/Grips Bontrager XR Trail Elite, alloy lock-on
Stem Bontrager Line Pro, 35mm, Knock Block, 0 degree
XS–S: 40mm length; M–XL: 50mm length
Brakes Shimano SLX M7120 4-piston hydraulic disc w/ Shimano RT66, 6-bolt, 180mm rotors
Saddle Bontrager Arvada, austenite rails, 138mm width
Seat Post Bontrager Line Elite Dropper, internal routing, 31.6mm
XS–S: 100mm travel, 340mm length; M–ML: 150mm travel, 440mm length; L–XL: 170mm travel, 480mm length
Accessories & Extras Bontrager BITS Internal Frame Storage Bag

* Subject to change without notice.




Option UPC MPN Store SKU
Gloss Purple Phaze/Matte Raw Carbon / X-Small / 27.5-inch 601842224120 595265  
Gloss Purple Phaze/Matte Raw Carbon / Small / 27.5-inch 601842224113 595266  
Gloss Purple Phaze/Matte Raw Carbon / Small / 29-inch 601842224106 595267  
Gloss Purple Phaze/Matte Raw Carbon / Medium / 29-inch 601842224090 595268  
Gloss Purple Phaze/Matte Raw Carbon / Medium/Large / 29-inch 601842224083 595269  
Gloss Purple Phaze/Matte Raw Carbon / Large / 29-inch 601842224076 595270  
Gloss Purple Phaze/Matte Raw Carbon / X-Large / 29-inch 601842224069 595271  
Miami Green to Teal Fade / X-Small / 27.5-inch 601842224199 595258  
Miami Green to Teal Fade / Small / 27.5-inch 601842224182 595259  
Miami Green to Teal Fade / Small / 29-inch 601842224175 595260  
Miami Green to Teal Fade / Medium / 29-inch 601842224168 595261 FUE33335168E
Miami Green to Teal Fade / Medium/Large / 29-inch 601842224151 595262  
Miami Green to Teal Fade / Large / 29-inch 601842224144 595263  
Miami Green to Teal Fade / X-Large / 29-inch 601842224137 595264  
Raw Carbon/Rage Red / X-Small / 27.5-inch 601842224267 595251  
Raw Carbon/Rage Red / Small / 27.5-inch 601842224250 595252  
Raw Carbon/Rage Red / Small / 29-inch 601842224243 595253  
Raw Carbon/Rage Red / Medium / 29-inch 601842224236 595254  
Raw Carbon/Rage Red / Medium/Large / 29-inch 601842224229 595255  
Raw Carbon/Rage Red / Large / 29-inch 601842224212 595256  
Raw Carbon/Rage Red / X-Large / 29-inch 601842224205 595257


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