Fuel EX 9.8 XT S Gloss Dark Carmine/Matte Trek Black

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Fuel EX 9.8 XT is a versatile and adaptable carbon MTB built to tackle any trail, anytime. Its OCLV Mountain Carbon frame pairs with a Fox Factory suspension package (145mm rear, 150mm front) to deliver traction and stability in the rough. A mechanical Shimano XT 12-speed drivetrain gives you clean, reliable shifting and 4-piston XT M8200 brakes provide excellent modulation and stop-on-a-dime power.

Adapt, rip, repeat

Only you can define your perfect trail bike — thats why Fuel is available in three adjustability-packed configurations. Get do-it-all capability with EX, go pop-happy with MX, or charge through it all with LX.

Adjustable leverage rate

Want more bottom-out resistance without giving up small-bump sensitivity? Flip the chip in the lower shock mount for a more progressive leverage rate.

Zero stack integrated headset

With a ZS standard headset, youve got tons of options for aftermarket upgrades, including angle adjust or anodized colors.

Storage and accessory mounts

Stash ride essentials with in-frame storage on all Fuel models — both carbon and alloy. Plus, top tube accessory mounts let you load up even more.

Fresh frame design

Fuels new frame gives you tons of room for long dropper posts, bigger shocks, frame bags, and more.

Active Braking Pivot

Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.


Frame OCLV Mountain Carbon, internal storage, ZS headset, adjustable leverage rate, guided internal routing, interchangeable alloy rocker link, interchangeable lower shock mount, downtube guard, shuttle guard, BSA 73, ISCG 05, ABP, UDH, Boost148, adaptable travel 145mm-160mm
Fork Fox Factory 36, Float EVOL air spring, GRIP X2 damper, 44mm offset, Boost 110, 15mm Kabolt X axle, 150mm travel
Shock Fox Factory Float X, 205mm x 60mm
Wheel Front Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29
Wheel Rear Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 27.5
Tire Maxxis Minion DHF, tubeless ready, 3C, EXO+ casing, MAXXGRIP, folding bead, 29x2.5 // Maxxis Minion DHR II, tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead, 27.5x2.5
Tire Part Bontrager TLR sealant, 6oz
Skewer Rear Bontrager Switch thru axle, removable lever
Shifter Shimano XT M8100, 12 speed
Rear Derailleur Shimano XT M8100, long cage
Crank Shimano XT M8120, 30T, 55mm chainline, 170mm length
Bottom Bracket Shimano BB-MT501 BSA
Cassette Shimano XT M8200, 10-51, 12 speed
Chain Shimano Ultegra/XT M8100, 12 speed
Brake Shimano XT M8200 4-piston hydraulic disc
Brake Rotor Shimano RT86, 6-bolt, 180mm // Shimano RT86, 6-bolt, 203mm
Saddle Verse Short Pro, carbon rails, 145mm width
Seatpost Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm length
Handlebar Race Face ERA, carbon, 35mm, 40mm rise, 800mm width
Stem Bontrager Elite, 35mm, 0 degree, 45mm length
Grips Trek Line Elite, lock-on

Geometry Chart

B B Drop 3.4
B B Height 34
Chainstay Length 43.7
Eff Seat Tube Angle 78.7°
Eff Top Tube 54.8
Frame Reach 43.1
Frame Size Letter S
Frame Size Number 15.5"
Frame Stack 61
Head Angle 64.6°
Head Tube Length 9.5
Offset 4.4
Seat Tube 37
Seat Tube Angle 72.7°
Standover 74.1
Trail 12.9
Wheelbase 118.7
Wheel Size 29"/27.5"