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2026 Fuel LX 9 XT Di2 Gen 7 Full Suspension Mountain Bike

$5,699.99
SKU: TRE496412507  |  Barcode: 197216277781
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  • Adapt, rip, repeat

    Adapt, rip, repeat

    Only you can define your perfect trail bike — that's 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

    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

    Zero stack integrated headset

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

  • Storage and accessory mounts

    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

    Fresh frame design

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

  • Active Braking Pivot

    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.

  • A better way to produce aluminum

    A better way to produce aluminum

    Starting in 2024, we began removing high-emission aluminum from our manufacturing and replacing it with low-emission aluminum made with renewable energy. By October 2025, nearly every alloy bike we make - this one included - had made the switch, driving a major drop in our footprint.

  • Shimano XT Di2

    Shimano XT Di2

    Looking for the latest in speed-enhancing technology? XT Di2 gives you light weight, lightning-fast shifts, and die-hard reliability. Plus, it's wireless and offers endless customization for the way you ride.

Overview

Fuel LX 9 XT is a hard-charging trail bike built for rowdy laps and hair-raising descents. It pairs an adaptable Alpha NEXT Platinum aluminum frame with a Fox Factory 38 fork and DHX2 coil shock (160mm rear, 170mm front) for rolling into steeper than steep lines packed with mine fields of boulders. Shimano's wireless XT Di2 drivetrain delivers ultra crisp, customizable shifting in a light, robust package, and 4-piston XT M8200 brakes provide excellent modulation and stop-on-a-dime power.

Technical Specifications

Frame Alpha NEXT Platinum aluminum, 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 38, Float EVOL air spring, GRIP X2 damper, 44mm offset, Boost 110, 15mm Kabolt X axle, 170mm travel
Shock Fox DHX2, 205mm x 65mm
*suspension part Size: S Fox steel coil spring, 250lbsSize: M Fox steel coil spring, 350lbsSize: L Fox steel coil spring, 400lbsSize: XL Fox steel coil spring, 450lbs
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 Micro Spline freehub, Boost148, 12mm thru axle, 29''
Skewer rear Bontrager Switch thru axle, removable lever
*tire Size: S, M, L, XL Maxxis Assegai, tubeless ready, 3C, EXO+ casing, MAXXGRIP, folding bead, 29x2.5''Size: S, M, L, XL Maxxis Minion DHR II, tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead, 29x2.5''
Tire part Bontrager TLR sealant, 6oz
Max tire size Frame: 29x2.50\, Fork: See manufacturer
Shifter Shimano XT Di2 M8250, 12 speed
Rear derailleur Shimano XT M8250, long cage
Crank Shimano XT 8200, 30T, 55mm chainline, 170mm length
Bottom bracket Shimano BB-MT501 BSA
Cassette Shimano XT M8200, 10-51, 12 speed
Chain Shimano XT M8100, 12 speed
Max chainring size 1x: 34T round, 32T oval, min 30T, 32T oval
Saddle Verse Short Comp, steel rails, 145mm width
*seatpost Size: S Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm lengthSize: M Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm lengthSize: L, XL Bontrager Line Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 515mm length
Handlebar Race Face Turbine, alloy, 35mm, 40mm rise, 780mm width
Grips Trek Line Elite, lock-on
Stem Bontrager Elite, 35mm, 0 degree, 45mm length
Brake Shimano XT M8220 4-piston hydraulic disc
*brake rotor Size: S, M, L, XL Shimano RT86, 6-bolt, 180mmSize: S, M, L, XL Shimano RT86, 6-bolt, 203mm
Rotor size Max brake rotor sizes - Frame: 203mm, min 180mm, Fork: see fork manufacturer
Weight M - 17.84 kg / 39.34 lbs (with TLR sealant, no tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

Parts are subject to change without notice. Chat with us if you have any questions.

Geometry

Bike geometry diagram

All measurements provided in cm unless otherwise noted.

Frame size number 15.5"17.5"19.5"21.5"
Frame size letter SMLXL
Wheel size 29"29"29"29"
A — Seat tube 37.040.042.045.5
B — Seat tube angle (degrees)71.5°71.5°71.5°71.6°
Effective seat tube angle (degrees)77.5°77.2°76.4°75.9°
C — Head tube length 9.511.012.514.0
D — Head angle (degrees)63.4°63.4°63.4°63.5°
E — Effective top tube 55.258.662.165.5
F — Bottom bracket height 34.734.734.734.6
G — Bottom bracket drop 2.62.72.72.7
H — Chainstay length 43.743.744.244.7
I — Offset 4.44.44.44.4
J — Trail 13.813.813.713.7
K — Wheelbase 120.0123.7127.3131.0
L — Standover 75.775.475.776.8
M — Frame reach 41.844.847.349.8
N — Frame stack 61.963.364.766.1

This Geometry Chart is provided by the Manufactuer. Chat with us if you have any questions.

Sizing

sizeinchescm
S5'1" - 5'5"155 - 165
M5'5" - 5'10"165 - 177
L5'10" - 6'2"177 - 188
XL6'2" - 6'5"188 - 195

Sizing to be used as a reference only. Chat with us if you have any questions.

Fuel LX 9 XT Di2 Gen 7
Trek

2026 Fuel LX 9 XT Di2 Gen 7 Full Suspension Mountain Bike

$5,699.99
Fuel LX 9 XT is a hard-charging trail bike built for rowdy laps and hair-raising descents. It pairs an adaptable Alpha NEXT Platinum aluminum frame with a Fox Factory 38 fork and DHX2 coil shock (160mm rear, 170mm front) for rolling into steeper than steep lines packed with mine fields of boulders. Shimano's wireless XT Di2 drivetrain delivers ultra crisp, customizable shifting in a light, robust package, and 4-piston XT M8200 brakes provide excellent modulation and stop-on-a-dime power.

Color

Size

  • S
  • M
  • L
  • XL
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