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2019 Trek

Fuel EX C Frameset

A 29″ carbon frame full suspension trail frameset.

Manufacturer Price

$3,299
Weight5.6 lbs (frame)  
FrameCarbon
SuspensionFull, 130mm rear
ShockFox
Wheels29″
Where to Buy
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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

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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?

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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

Freehub
Bike Review | 2020 Trek Fuel EX 9.9

Jun 2020 · Spencer Johnson

As warmer temperatures hit the Pacific Northwest and the dirt starts to dry, I’m always eager to get out on some long rides with some big climbs. Naturally, when this Trek Fuel EX 9.9 showed up at the Freehub office, I knew it was time to put the nimble beast through its paces. I challenged myself to a 60-mile sufferfest on some of Bellingham, Washington’s toughest climbs and descents. It definitely didn’t let me down. Climbing on this bike was a joy. Trek equipped the 9.9 model with its proprietary RE:aktiv shock with a three-position damper, which I left wide open for the entire ride. The rear suspension had an overwhelmingly supportive feel while pedaling out of the saddle, yet as soon as I hit a bump it dived deeper into the travel, keeping the rear wheel firmly planted and providing excellent traction. The geometry is modern and balanced, with a long reach and a sensible 76-degree seat angle. On the descents, the bike inspired confidence, thanks to its long wheelbase and bottomless-feeling suspension. My confidence was further enhanced by the reliable stopping power of the Shimano XT brakes. As a 200-pound rider, I couldn’t have appreciated the ultra-powerful XT brakes and the 203-millimeter front rotor more—especially while bombing down some of Bellingham’s scariest double-black trails.

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BikeRadar
Trek Fuel EX 9.7 review

Apr 2020 · Tom Marvin

A classic trail bike, with a fun and engaging ride built around a solid frame

Highs
  • A solid feeling frame backed up by a ride quality that encourages you to pop and play around

Lows
  • The long Shimano brake levers kill the feel, while the supple rear suspension shows up the budget fork

Read Review

BIKE Magazine
Bible Review: Trek Fuel EX 9.9

Dec 2019

The Quintessential letterman athlete—pulling straight A's, playing hoops and running track, with manners perfect for meeting the parents.

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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

MBR
Trek Fuel EX 9.8 review - MBR

Nov 2019 · Alan Muldoon

The updated Trek Fuel EX now features storage in the downtube, 29er wheels, more travel and a gorgeous frame… oh and it’s rollicking fast too.

Highs
  • Punchy trail bike with great handling.

Lows
  • Low profile tyre tread lacks bite.

Read Review

Geometry
Specs
Build
Frame

OCLV Mountain Carbon main frame & stays, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, tapered head tube, Mino Link, Control Freak internal routing, Carbon Armor, PF92, ISCG 05, G2 Geometry, 130mm travel

BB StandardBB86/BB92, Press Fit

Shock

Fox Factory Float EVOL, RE:aktiv with Thru Shaft 3-position damper, Kashima Coat, tuned by Trek Suspension Lab, 210x52.5mm

Travel130mm

Bottom Bracket

BB86/BB92, press-fit

Headset

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

Stem

Bontrager Line Pro, Knock Block, 35mm clamp, 0 degree, 60mm length

Rider Notes
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Last updated September 6

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