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  • Fuel EX C Gen 5 Frameset
  • Fuel EX C Gen 5 Frameset
Overview

It's right for you if...

You're after your own version of a holy grail mountain bike build. You know how you want to ride, and you know which parts you need to do it. You want the best all-around trail bike frame we offer, because you know that a great build starts with a great frame.

The tech you get

A full OCLV Mountain carbon frame with internal storage, 130mm of travel and Mino Link adjustable geometry, a FOX Factory Float shock with Trek's efficient RE:aktiv with Thru Shaft damper, and an included Bontrager Line stem and Knock Block headset that prevents damage to the frame from spinning handlebars and fork crowns. Built for a PF92 bottom bracket and a 140mm fork.

The final word

A full carbon frame and FOX Factory shock give you a major head start on a build that will be the envy of all other trail bikes. Fuel EX C is made for all-mountain riding, and it's the best all-around option for riders who want a single versatile, high-performance ride that rips it up on every trail.

See it in action

favorite_borderWhy you'll love it

  1. A full OCLV Mountain Carbon frame makes for a ride that's light on the climbs and trail-tough on rough descents
  2. RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
  3. Control Freak cable management makes it easy to run any combination of controls, like front brake on the right or internal droppers
  4. A sleek internal storage compartment gives you a versatile spot to stow tools and gear
  5. We expanded our size range from XS through XL to ensure a better fit for all riders
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"A world-class trail bike"

"Fuel EX is a beautifully balanced and capable trail bike. The rear suspension is beautiful; as close to ideal as any bike I've ridden. It's sensitive where you want it to be, firm and crisp where it should be. It feels deep and controls big hits very well, and there's a nice platform for pedaling, and to pump and pop off when you're playing."

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"An absolute trail rocket"

"Thanks to its burlier components, increased travel, and more aggressive geometry, it has become more of a shredder than ever! More performance, fun, and trail prowess."

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"Perfect all-arounder"

"In a world where most new full-suspension mountain bikes are amazing, Fuel EX stands apart as even more than that."

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"Good at pleasing everybody"

"Fuel EX has a few tricks that help it keep a level head when outside of its comfort zone, and to be a cloud on rails when it's in the zone. Everything about the Fuel EX, which was already good at pleasing everybody, is now even better at it."

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More options

NEW 2023

Fuel EX 9.9 XX1 AXS Gen 6

$10,749.99 

NEW 2023

Fuel EX 9.9 XTR Gen 6

$9,749.99 

NEW 2023

Fuel EX 9.8 GX AXS Gen 6

$7,699.99 

SALE 2023

Fuel EX 9.8 GX AXS Gen 5

$6,999.99  | $7,499.99 

NEW 2023

Fuel EX 9.8 XT Gen 6

$6,249.99 - $6,749.99 

SALE 2023

Fuel EX 9.8 GX Gen 5

$6,249.99  | $6,549.99 

NEW 2023

Fuel EX 9.7 Gen 6

$4,699.99 

SALE 2023

Fuel EX 9.7 Gen 5

$4,199.99  | $4,329.99 

NEW 2023

Fuel EX 8 Gen 6

$4,299.99 

SALE 2023

Fuel EX 8 Gen 5

$3,499.99  | $3,929.99 

NEW 2023

Fuel EX 7 Gen 6

$3,699.99 

2023

Fuel EX 5 Gen 5

$2,699.99 

NEW 2023

Fuel EX C Gen 6 Frameset

$3,899.99 

NEW 2023

Fuel EX AL Gen 6 Frameset

$2,599.99 

2023

Fuel EX C Gen 5 Frameset

$3,719.99 

2023

Fuel EX AL Gen 5 Frameset

$2,319.99 

Which generation is right for you?

Choose from the lighter 130/140mm Fuel EX Gen 5 with better parts for the price or the more robust 140/150mm Fuel EX Gen 6 with more adjustability.

See the bikes

Get faster on the trail in a week

When it comes to being a better trail rider, practice makes perfect. Get seven tips from Pinkbike’s Christina Chappetta that will have you setting PR's and riding with more confidence in no time.

Read more

How to pack for any trail ride

Everything you need (and nothing you don’t).

Learn how

You might also like

Bontrager Rapid Pack

$64.99 - $67.99 

SALE

Bontrager Line Elite MTB Pedal Set

$37.99  | $51.99 

Bontrager Flatline Women's Mountain Bike Shoe

$129.99 

Bontrager Shock Pump

$49.99 

SALE

Bontrager Comp MTB Pedal Set

$69.99  | $93.99 

Bontrager Ion Elite R Front Bike Light

$119.99 

SALE

Bontrager Rally Mountain Bike Shoe

$99.99 - $149.99  | $149.99 - $154.99 

SALE

Bontrager Rhythm Mountain Bike Glove

$26.99  | $41.99 

Bontrager Comp Multi-Tool

$14.99 

SALE

100% Teratec Knee Guards

$62.10  | $69.00 

SALE

Bontrager Foray Mountain Bike Shoe

$59.99 - $149.99  | $149.99 

Bontrager Line Pro Carbon 35 MTB Handlebar

$188.99 

Bontrager Ion Pro RT Front Bike Light

$139.99 

Bontrager XR4 Team Issue TLR MTB Tire

$69.99 - $99.99 

SALE

Bontrager Blaze WaveCel Mountain Bike Helmet

$149.99 - $199.99  | $299.99 

Features

Will my bike have a curved top tube?

Smaller frames (XS and S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Active Braking Pivot

Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.

Learn more

Internal Storage

Internal frame storage makes it easy to ditch the pack and still carry your ride essentials.

Watch the video

RE:aktiv with Thru Shaft

RE:aktiv with Thru Shaft gives you unmatched grip and control with a shock that reacts to the terrain faster than anything else out there.

Learn more

Suspension Calculator

This suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.

Learn more

Mino Link adjustable geometry

Fine tune head tube angle by 1/2° and BB height by up to 10mm with the simple turn of a nut. Just flip the link to choose between slack or slacker geometry, without negatively affecting suspension performance. A Trek exclusive.

Learn more

Control Freak Cable Management

The lightest, quietest, most versatile cable management system allows any combination of shift, brake, lockout, and dropper post lines to be routed through the frame for clean looks and the ultimate custom setup.

Boost148/110

Wider dropouts (110mm front, 148mm rear) give you the stiffness of a 27.5" wheel with all the benefits of a 29" wheel, and Boost148 in the rear lets you run wider tires and a larger chainring without affecting q-factor and pedaling efficiency.

OCLV Mountain Carbon

Trek's mountain-specific carbon fiber is tougher carbon, with unique materials and layup procedures, Trek's advanced engineering, and a higher standard of testing.

Learn more

Specs Sizing
Geometry Service Reviews
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