2023 Trek

Fuel EX 9.7 Gen 5

A 29″ / 29″ carbon frame full suspension trail bike with upper mid-range components.

Manufacturer Price

$4,199$4,329
Weight30.1 lbs  
FrameCarbon
SuspensionFull, 130 / 140mm
ForkFox Rhythm Float 36
ShockFox Float X Performance
Wheels29″ / 29″ Aluminum
Drivetrain1 × 12
GroupsetXT, SLX
BrakesHydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Fuel EX 9.7 Gen 5
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

26 mph

Fuel EX 9.7 Gen 5

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Price History
Reviews
BikeRadar
Trek Fuel EX 8 Gen 6 review

Jun 2023 · Tom Marvin

A solid performer with a class-leading chassis, let down by a harsh front end

Highs
  • Great frame, with perfect handling and suspension feel

  • Adjustable geometry and sizing options mean a bike fit for all

  • Happy on any level of trail

Lows
  • Cockpit harshness

  • Mediocre tyres

  • Poor brakes

  • Expensive

Read Review

Revolution Mountain Bike Magazine
[R]eviewed // Trek Fuel EX

Jun 2023 · Scotty Prendergast

Arguably one of the all-time most popular bike models of any MTB on the planet, the ‘Fuel Ex’ has been at the peak of Trek’s MTB line-up for as long as anyone can remember and it has had no fewer than six major design overhauls during that time. Late last year Trek unveiled their newest reinvention of the ‘do it all trail bike’ which rolls out of the store boasting a ton of rider customisation features, including a choice of [...]

Read Review

Outdoor Gear Lab
Trek Fuel EX 9.8 GX AXS Gen 6

May 2023 · Jeremy Benson

The new Gen 6, Fuel EX 9.8 is the burliest, most versatile, and most capable Fuel yet; truly up for whatever you want to ride. Trek completely redesigned...

Read Review

Pinkbike
Staff Rides: Mike Kazimer's Coil Shock Trek Fuel EX

Apr 2023 · Mike Kazimer

Kazimer's bike is set up with mixed wheels, a 160mm fork, and a coil shock.

Read Review

Loam Wolf
Review: Trek Fuel EX 9.9 XX1

Apr 2023 · Drew Rohde

While the new Trek Fuel EX may have alienated a few riders, it will no doubt be a welcome redesign for a lot more riders!

Highs
  • Fast, confident and ready to rock!

  • More capable than ever

  • Great downtube storage solution

  • Adjustable and versatile geometry options

  • Med/Large size

Lows
  • Bar/Stem combo

  • SE5 Tires in the wet

  • Some may not like the newer, burlier bike’s transition

Read Review

Flow Mountain Bike
Trek Fuel EX 2023 Review | A bigger, musclier & hugely adaptable trail bike

Oct 2022

All-new for 2023, the Trek Fuel EX is no doubt the burliest yet. How does it compare to the competition? Read on for our Trek Fuel EX review.

Highs
  • Sturdy, flex-free chassis

  • Superb geometry with adjustable head angle

  • Efficient & comfortable climbing performance

  • Coil shock, big fork & mullet compatibility

  • Mechanic-friendly frame furnishings

  • Internal storage

Lows
  • Frame is on the heavy side

  • Rear shock tune lacks small-bump suppleness

  • Rattly rear thru-axle lever

Read Review

Bicycling
The New Trek Fuel EX Puts On Weight, Punches Harder, and Expands Its Reach

Sep 2022

New geometry, more travel, and even better suspension improves Trek's mid-weight trail bike.

Read Review

Bikerumor
2023 Trek Fuel EX 9.9 XX1 AXS review: A widely capable trail bike with a high-end build

Sep 2022

Trek's top-tier Fuel EX 9.9 XX1 AXS delights on the climbs and tackles downhill terrain with it's slack (and very adjustable) geometry.

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

OCLV Mountain Carbon main frame and stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armour, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130 mm travel

BB StandardBB86/BB92, Press Fit

Tire Clearance2.6"

ColorMatte Raw Carbon

Fork

Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel

Travel140mm

Spring TypeAir

Shock

Size: XS, S, Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210 mm x 52.5 mm; Size: S, M, ML, L, XL, Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210 mm x 55 mm

Travel130mm

Spring TypeAir

Bottom Bracket

Shimano MT500, 92 mm, PressFit

Headset

Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom

Stem

Size: XS, S, Bontrager Elite, 35 mm, 0-degree, 35 mm length; Size: M, ML, L, XL, Bontrager Elite, 35 mm, 0-degree, 45 mm length

Handlebar

Size: XS, S, Bontrager Line, alloy, 35 mm, 27.5 mm rise, 750 mm width; Size: M, ML, L, XL, Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width

Saddle

Bontrager Arvada, hollow chromoly rails, 138 mm width

Seatpost

Size: XS, S, Bontrager Line Dropper, 100 mm travel, internal routing, 31.6 mm, 345 mm length; Size: M, ML, L, XL, Bontrager Line Dropper, 150 mm travel, internal routing, 31.6 mm, 440mm length

TypeDropper

Grips

Bontrager XR Trail Elite, nylon lock-on

Groupset
Rear Derailleur

Shimano XT M8100, long cage

Crank

Size: XS, S, M, ML, L, Shimano MT611, 30T steel ring, alloy spider, 52 mm chainline, 170 mm length; Size: XL, Shimano MT611, 30T steel ring, alloy spider, 52 mm chainline, 175 mm length

Shifters

Shimano SLX M7100, 12-speed

Cassette

Shimano SLX M7100, 10-51T, 12-speed

Chain

Shimano SLX M7100, 12-speed

Brakes

Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper

TypeHydraulic Disc

Wheels
Rims

Front: Size: XS, S, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"; Size: S, M, ML, L, XL, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29", Rear: Size: XS, S, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 27.5"; Size: S, M, ML, L, XL, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 29"

Front Hub

Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle

Rear Hub

Size: S, M, ML, L, XL, Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano MicroSpline freehub, Boost148, 12mm thru axle; Size: S, M, ML, L, XL, Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle

Tires

Size: XS, S, Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5 x 2.50"; Size: S, M, ML, L, XL, Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50"

Disc Rotors

Size: XS, S, M, ML, L, XL, Shimano RT66, 6-bolt, 180 mm; Size: M, ML, L, XL, Shimano RT66, 6-bolt, 203 mm

Rider Notes
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Last updated May 25