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2026 Fuel EX 8 Gen 7 Full Suspension Mountain Bike

$3,999.99
SKU: TRE448795226  |  Barcode: 197216226161
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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.

  • Transition to transmission

    Transition to transmission

    SRAM Eagle T-Type transmission mounts directly to the frame, skipping that pesky derailleur hanger of yesteryear. This makes for a more robust system that's not only cleaner looking, it's also more precise under load, and easier to set up.

  • 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.

Overview

Fuel EX 8 is a confident and versatile trail bike built to get after it. It comes ready to rip with an Alpha NEXT Platinum frame, Fox performance suspension package with 145mm/150mm travel (rear, front), alloy Bontrager Line wheels, and a SRAM Eagle 70 transmission that keeps shifts smooth, even under load. It's topped off with 4-piston SRAM DB 8 hydraulic disc brakes to keep you stopping on a dime.

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 Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 150mm travel
Shock Fox Performance Float X, 2-position damper, 205mm x 60mm
Hub front Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle
Hub rear Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano freehub, Boost148, 12mm thru axle
Skewer rear Bontrager Switch thru axle, removable lever
Rim Bontrager Line TLR 30, Tubeless Ready, 28-hole, Presta valve
*tire Size: S Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.50''Size: S, M, L, XL Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.50''
Tire part Bontrager TLR sealant, 6oz
Rim strip Bontrager TLR
Max tire size Frame: 29x2.50\, Fork: See manufacturer
Shifter SRAM Eagle 70, 12 speed
Rear derailleur SRAM Eagle 70, T-Type
Crank SRAM Eagle 70, DUB, 30T steel, T-Type, 55mm chainline, 170mm length
Bottom bracket SRAM DUB MTB Wide, 73mm, BSA threaded
Cassette SRAM Eagle XS-1270, T-Type,10-52, 12 speed
Chain SRAM Eagle 70, T-Type, 12 speed
Max chainring size 1x: 34T round, 32T oval, min 30T, 32T oval
Saddle Bontrager Verse P3, chromoly rails
*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 Comp, nylon lock-on
Stem Bontrager Elite, 35mm, 0 degree, 45mm length
Headset FSA Orbit, sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom, 1.5 crown
Brake SRAM DB 8 4-piston hydraulic disc
*brake rotor Size: S, M, L, XL SRAM Centerline 2.0, 6-bolt, 200mmSize: S, M, L, XL SRAM Centerline 2.0, 6-bolt, 180mm
Rotor size Max brake rotor sizes - Frame: 203mm, min 180mm, Fork: see fork manufacturer
Weight M - 16.89 kg / 37.24 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"/27.5"29"29"29"
A — Seat tube 37.040.042.045.5
B — Seat tube angle (degrees)72.7°72.6°72.6°72.6°
Effective seat tube angle (degrees)78.7°78.3°77.4°76.9°
C — Head tube length 9.511.012.514.0
D — Head angle (degrees)64.6°64.5°64.5°64.5°
E — Effective top tube 54.858.361.765.1
F — Bottom bracket height 34.033.933.933.9
G — Bottom bracket drop 3.43.53.53.5
H — Chainstay length 43.743.744.244.7
I — Offset 4.44.44.44.4
J — Trail 12.912.912.912.9
K — Wheelbase 118.7122.5126.2129.8
L — Standover 74.874.474.775.8
M — Frame reach 43.146.048.551.0
N — Frame stack 61.062.463.865.1

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 EX 8 Gen 7
Trek

2026 Fuel EX 8 Gen 7 Full Suspension Mountain Bike

$3,999.99
Fuel EX 8 is a confident and versatile trail bike built to get after it. It comes ready to rip with an Alpha NEXT Platinum frame, Fox performance suspension package with 145mm/150mm travel (rear, front), alloy Bontrager Line wheels, and a SRAM Eagle 70 transmission that keeps shifts smooth, even under load. It's topped off with 4-piston SRAM DB 8 hydraulic disc brakes to keep you stopping on a dime.

Color

Size

  • S
  • M
  • L
  • XL
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