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2015 Trek

Fuel EX 9 29

A 29″ aluminum frame full suspension trail bike with ultra high-end components.
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FrameAluminum
SuspensionFull, 120 / 120mm
Wheels29″ Aluminum
Drivetrain1 × 11
GroupsetX1
BrakesShimano XT Hydraulic Disc
SeatpostDropper
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Insights
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)

28 mph

Fuel EX 9 29

26 mph

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Highest gear

(descending)

Reviews

Summary

The Trek Fuel is a versatile trail bike praised for its lightweight design and efficient climbing capabilities. It offers a stable and confident ride on descents, with a suspension system that balances firmness and suppleness. Overall, it combines trail and cross-country qualities effectively, making it a fun and reliable choice for various riders.

Pros
  • Lightweight

  • Efficient climbing

  • Stable and confident on descents

  • Supple and smooth suspension

  • Versatile for trail and cross-country riding

Cons
  • Limited travel may not suit all riders

  • Some quality-control issues with components

  • May require tubeless conversion for optimal performance

Key Quotes
The Trek Fuel EX 9.8 29 is a lightweight but trail-capable 29er and a little bit XC, a little bit rock-and-roll
Bicycling
The Debonair high-volume air can transforms the ride.
BIKE Magazine logoBIKE Magazine
A real testament to how well this type of bike caters to just about any type of mountain biker
Flow Mountain Bike logoFlow Mountain Bike
This is a badass mountain bike that would make anyone happy to hit the trails.
Enduro Mountainbike Magazine logoEnduro Mountainbike Magazine

Feedback?

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Bikerumor
One Ride Review: Trek Fuel EX full suspension trail mountain bike

Nov 2016 · Tyler Benedict

Earlier this year, the Fuel EX received rapid fire updates that first introduced a 27.5+ version then quickly made it the standard model by adding 29er wheels and tires for most of the stock builds. The frame was all new for both, bumping travel to 130mm, and it effectively did away with the standard 27.5 …

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Enduro Mountainbike Magazine
Trek Fuel EX 9.8 29 Review

Jul 2016 · Christoph Bayer

Trek Fuel EX features new geometry, a new frame, and a revised spec. We’ll reveal whether Trek’s streamlining has been worth it.

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BikeRadar
Trek Fuel EX 9.9 29 first ride review

Jun 2016 · Josh Patterson

It appears Trek’s design team has been paying close attention to the desires of trail riders, many of whom have been gravitating toward short-travel 29ers with slack geometry, and redesigned the Fuel EX accordingly. . .

Highs
  • Spirited handling

  • Good suspension performance

Lows
  • Ultra low bottom bracket might not suit everyone

  • Proprietary headset

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VeloNews
Trek Top Fuel 9.8

May 2016 · Lennard Zinn

The carbon fiber Top Fuel ruled in mountain biking’s mid-2000s heyday, and now it’s back and better than ever. Most importantly, Trek has updated the

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Mountain Flyer
First Impressions: Trek Top Fuel 9.8 SL

Mar 2016

Who wouldn’t have expected the updated Trek Top Fuel’s shining point to be climbing? Its predecessor was a World Cup-winning XC race bike and the Top Fuel has now replaced the company’s other race bike, the Superfly. With larger wheels, improved suspension and other updates, the Top Fuel is poised to carry on Trek’s XC race heritage.

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BIKE Magazine
Review: Trek Fuel EX 9 29

Feb 2016

The Trek Fuel EX 9 29 made it onto most testers’ shortlists with its enviable trail demeanor.

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Mountain Bike Action
Bike Test: Trek Fuel EX 9.9 29

Nov 2015 · McCoy

The Fuel EX 9.9 is a trailbike that can rival even enduro bikes in the hands of a strong and skilled pilot

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MTBR
Trek Procaliber SL, Top Fuel and Fuel EX 29 revamped

Jul 2015 · Jeroen Tiggelman

Turning its focus on its cross-country racing bikes, Trek made some significant changes to its XC line. Most notable is the introduction of the Isospeed coupler in to the Procaliber hardtail line. - Mtbr.com

Read Review

Specs
Build
Frame

Alpha Platinum Aluminum, ABP Convert, Full Floater, E2 tapered head tube, press fit BB, internal derailleur & dropper post routing, ISCG 05 mount, magnesium EVO link, down tube guard, G2 Geometry, 120mm travel

Headset

FSA IS-2, E2, alloy cartridge

Stem

Bontrager Race Lite, 31.8mm, 7 degree

Handlebar

Bontrager Race Lite Low Riser, 31.8mm, 5mm rise

Saddle

Bontrager Evoke 2, chromoly rails

Seatpost

RockShox Reverb Stealth, 2-bolt head, 31.6mm, zero offset

TypeDropper

Groupset
Rear Derailleur

SRAM X1, Type 2

Crank

SRAM X1 1400 X-Sync, 32T

Shifters

SRAM X1, 11 speed

Cassette

SRAM XG-1180, 10-42, 11 speed

Brakes

Shimano Deore XT hydraulic disc

TypeShimano XT Hydraulic Disc

Wheels
Rims

Bontrager Rhythm Comp Tubeless Ready w/TLR strips, Stacked Lacing, 142x12 rear, 15mm front

Tires

Bontrager XR3 Expert, Tubeless Ready, aramid bead, 29x2.30"

Rider Notes
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First added June 29

Last updated June 29

Not listed for 3,256 days