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2015 Trek

Fuel EX 5 29

A 29″ aluminum frame full suspension trail bike with mid-range components.
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FrameAluminum
SuspensionFull, 120 / 120mm
Wheels29″
Drivetrain2 × 10
GroupsetX5
BrakesShimano Hydraulic Disc
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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 5 29

26 mph

Similar Bikes

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

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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 …

Read Review

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

Read Review

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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MBR
Trek Fuel Ex Jr (2016) review - MBR

Mar 2016 · Paul Burwell

The Trek Fuel Ex Jr is a first time full-susser for the little ripper

Highs
  • Tons of standover clearance; quality suspension components; plenty of stopping power; wide gearing range; proper mountain bike tyres.

Lows
  • Heavy; needs a shorter stem; brake levers lack reach adjustment for smaller hands.

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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.

Read Review

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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Singletrack World
Review: Trek Fuel EX Junior

Nov 2015 · Mark Alker

26 is not dead! It's the new size du jour for kids bikes. Jon Bateman takes Trek's mini Fuel for a ride.

Read Review

Flow Mountain Bike
Flow's First Bite - Trek Fuel EX 8 29

Oct 2015

Trek’s incredibly popular Fuel EX range comes in both 29″ and 27.5″ flavours, and for 2016 the 29er goes under the knife to receive a very trendy facelift, scoring the updates we hoped and wished for. Tighter, zipper and adjustable whilst retaining that super-supple suspension we have grown to expect, the new Fuel EX 29 …

Highs
  • Great improvements to frame geometry.

  • Wide gear range.

  • Superb finish.

Lows
  • Needs tubeless conversion.

Read Review

Specs
Build
Frame

Alpha Platinum Aluminum, ABP Convert, Full Floater, E2 tapered head tube, press fit BB, 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 Low Riser, 31.8mm, 5mm rise

Saddle

Bontrager Evoke 1.5

Seatpost

Bontrager SSR, 2-bolt head, 31.6mm, 12mm offset

TypeRigid

Groupset
Rear Derailleur

SRAM X5

Front Derailleur

SRAM X5, high direct mount

Crank

Race Face Ride, 36/22

Shifters

SRAM X5, 10 speed

Cassette

SRAM PG 1020, 11-36, 10 speed

Brakes

Shimano M355 hydraulic disc

TypeShimano Hydraulic Disc

Wheels
Tires

Bontrager XR3, 29x2.30"

Rider Notes
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First added June 29

Last updated June 29

Not listed for 3,256 days