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2019 Trek

Fuel EX 8 Plus

A 27.5″ aluminum frame full suspension trail bike with high-end components.
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Manufacturer Price

$3,599
Weight32.0 lbs  
FrameAluminum
SuspensionFull, 130 / 140mm
ForkFox Rhythm Float 34
ShockFox
Wheels27.5″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle, Truvativ Descendant
BrakesShimano Deore Hydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Fuel EX 8 Plus
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 8 Plus

26 mph

Similar Bikes

Highest gear

(descending)

Reviews

Summary

The Trek Fuel is a versatile and well-balanced trail bike that excels in a variety of terrains, offering a neutral, light feel and efficient suspension performance. While it may not be the most aggressive in its category, its comfort and handling make it a favorite for riders seeking a reliable all-rounder. Some reviews note its conservative geometry and component choices as areas for improvement.

Pros
  • Versatile and well-balanced for all-round trail riding

  • Neutral, light feel with efficient suspension

  • Comfortable and easy to ride in a variety of terrains

  • Solid downhill performer and efficient climber

  • Adjustable shock settings for personalized ride

Cons
  • Geometry isn’t as radically aggressive as some competitors

  • Component spec may not inspire awe

  • Can feel overwhelmed in super aggressive terrain

  • Frame sizing may feel small for some riders

Key Quotes
It’s a journeyman’s mountain bike, a tool that disappears underneath you and just gets the job done, regardless of where or how you are riding. No muss, no fuss
BIKE Magazine logoBIKE Magazine
The FOX suspension is a real standout
Flow Mountain Bike logoFlow Mountain Bike
Winner of our award in 2017, the Fuel EX easily impressed us with its turn of speed, capable suspension and its ability to excel on any trail.
MBR logoMBR
The Fuel EX 8 is a solid trail bike offered at a reasonable price. While it wasn't necessarily the best at anything, it was really good at just about everything.
Outdoor Gear Lab logoOutdoor Gear Lab

Feedback?

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Gran Fondo Magazine
Trek Fuel EX 9.9 XTR Project One in bikepacking review

Oct 2020 · Benjamin Topf

The Trek Fuel EX 9.9 is an absolute classic in the trail bike segment. Could it also be the perfect bike for the next bikepacking adventure with its modern geometry and spare parts compartment in the down tube? We put the Fuel EX to the test.

Highs
  • Maximum fun on the descents

  • Intuitive and good-natured handling

  • Storage compartment in the down tube for tools or snacks

Lows
  • Too sluggish on easy terrain

  • Too much bike for long straights

  • Chain slap

Read Review

Mountain Flyer
First Impressions: Trek Top Fuel 9.8 GX

Oct 2020

My history of mountain biking started with a little wooden trike, with no pedals and wheels bigger than my head. I moved forward as any child does onto a bigger bike with bigger wheels and pedals. My parents always encouraged me to get outside and ride a bike, although I didn’t like the idea of mountain biking. I knew how to ride a bike; why go any further?

Read Review

Enduro Mountainbike Magazine
Trek Fuel EX 8.0 XT 2020 on test – Versatility for the Best Buy

Aug 2020 · Christoph Bayer

The Trek Fuel EX is the most expensive bike in this group test, yet is still awarded our Best Buy – how is that possible? Read our review to find out what makes this bike so good.

Highs
  • Performs on every kind of trail

  • Fantastic spec

  • A great balance of composure and agility

Lows
  • Expensive

  • Seat tube angle could be steeper

Read Review

Outdoor Gear Lab
Trek Fuel EX 8

Nov 2019 · Jeremy Benson

The Fuel EX 8 is an impressively capable, versatile, and well-rounded trail bike that is ready for anything you are. Trek redesigned the Fuel EX models for...

Highs
  • Relatively affordable

  • Good component spec for the price

  • Great small bump compliance

  • Versatile/well-rounded

Lows
  • Frame sizing feels a little small

  • Can be overwhelmed in super aggressive terrain

Read Review

Flow Mountain Bike
Mid-Term Review | 6 Weeks Aboard The 2020 Trek Fuel EX 9.8 Test Bike

Nov 2019

Having spent a load of saddle time with the 2020 Trek Fuel EX 9.8 on home soil, we've been getting very familiar with this 130mm travel trail brawler. It hasn't all been smooth sailing though. Read on to see what the Fuel EX does well, what it's struggled with, and what changes we've made to our long term review rig.

Highs
  • Stupendously plush rear suspension

  • The Fox 36 has really stepped up the EX's appetite for gnar

  • New geometry brings masses of high-speed stability

Lows
  • Rattling from the downtube trapdoor

  • Knock Block system works but creates practical annoyances

  • The 35mm carbon bars are overly stiff

Read Review

Pinkbike
Video: 2020 Santa Cruz Tallboy VS Trek Fuel EX - Cage Match

Sep 2019 · Pinkbike Originals

The Fuel EX and Tallboy are both brand new and impressively capable trail bikes, but which one do we prefer? Levy and Kazimer ride both and pick the winner.

Read Review

Singletrack World
Review | The 2019 Trek Fuel EX 9.7 is a tech-heavy trail bike that rips hard

Apr 2019 · Rob Mitchell

We've been testing two 2019 130mm travel 29er trail bikes; the GT Sensor Expert and the Trek Fuel EX 9.7. Here we review the Trek Fuel EX.

Read Review

Whistler Mountain Bike
2019 Trek Top Fuel 9.8 SL 1st Ride Impression

Feb 2019 · Dale Tiessen

Let’s be clear - Trek’s Top Fuel is a XC race weapon. This is not your typical ‘Whistler XC’ bike, which the greater industry may characterize as a ‘trail’ or ‘all mountain’ bike. The Top Fuel is designed for World Cup XC race courses. It is meant to be precise, light and fast.

Read Review

Geometry
Specs
Build
Frame

Alpha Platinum Aluminum, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, tapered head tube, Mino Link, Control Freak internal routing, down tube guard, PF92, ISCG 05, G2 Geometry, 130mm travel

BB StandardBB86/BB92, Press Fit

Fork

Fox Rhythm 34 Float, GRIP adjustable damper, tapered steerer, G2 Geometry w/51mm offset, Boost110, 140mm travel

Travel140mm

Spring TypeAir

Shock

Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 210x52.5mm

Travel130mm

Bottom Bracket

SRAM DUB Press Fit, 92mm

Headset

Knock Block Integrated, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom

Stem

Bontrager Line, Knock Block, 35mm clamp, 0 degree

Handlebar

Bontrager Line, 35mm, 15mm rise, 750mm width

Saddle

Bontrager Arvada, hollow chromoly rails

Seatpost

Bontrager Line, internal routing, 31.6mm, 15.5: 100mm, 17.5 & 18.5: 125mm, 19.5 & 21.5: 150mm

TypeDropper

Pedals

Not included

Grips

Bontrager XR Trail Elite, alloy lock-on

Groupset
Rear Derailleur

SRAM GX Eagle, Roller Bearing Clutch

Crank

Truvativ Descendant 6k Eagle DUB, 32T Direct Mount

Shifters

SRAM GX Eagle, 12 speed

Cassette

SRAM XG-1275 Eagle, 10-50, 12 speed

Chain

SRAM GX Eagle

Brakes

Shimano Deore M6000 hydraulic disc

TypeShimano Deore Hydraulic Disc

Wheels
Rims

Bontrager Line Comp 40, Tubeless Ready, 54T Rapid Drive, Boost110 front, Boost148 rear, tubeless strips included, valves sold separately

Tires

Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 27.5x2.80˝

Rider Notes
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First added October 1

Last updated October 1

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