Fuel EX C Gen 5 Frameset

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XS (27.5" wheel) S (27.5" wheel) XL (29" wheel)

Fuel EX C Gen 5 Frameset

Model 5263297

$3,719.99 Comp. Value

Fuel EX C is the ideal start for a dream trail bike with a full OCLV Mountain Carbon frame that has 130mm of rear travel with a Fox Factory RE:aktiv Thru Shaft shock. Build it up light and fast or make it a beefy bruiser that's ready for some extra chunk. It's up to you.

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Accessorize Your Ride

Bontrager Line Pro 35 0 Degree Blendr Stem

$119.99

Bontrager Line Pro 30 TLR Boost 29 MTB Wheel

$747.99 - $899.99

Bontrager TLR Tire Sealant

$4.99 - $29.99

Bontrager Pro Ratchet Multi-Tool

$124.93 $129.99

Bontrager XR4 Team Issue TLR MTB Tire

$31.93 $69.99

Bontrager Rally WaveCel Mountain Bike Helmet

$79.93 $159.99

Trek Line Elite Clipless Pedal Set

$129.99

See it in action

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

Service manual

Time to bust out the repair stand for some maintenance? Find a detailed breakdown of your bike with part numbers, torque values, and platform-specific tech instructions below.

Get it here

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.

How to pack for any trail ride

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

Learn how

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.

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Straight Shot w/Knock Block

Trek's Straight Shot frame design optimizes the stiffness-to-weight ratio for a more responsive ride. You'll be able to push harder and stay more planted on your line when the going gets rough.

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

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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.

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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.

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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.

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.

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How tall are you?

To measure your height, stand straight up, barefoot, with your back, heels, shoulders and head all touching a wall. While looking straight ahead, place a book or straight edge on your head and slowly push it against the wall. Your straight edge should be parallel with the floor. Mark the spot where the bottom of the book is touching the wall. The distance from the marked spot to the floor is your height.

What is your inseam?

How to measure: Stand barefoot with your back straight and against a wall. Tuck a ruler or something that extends to the floor between your legs. Using both hands, and keeping it level, pull the ruler up into your crotch as if you were sitting on the saddle. Measure the distance from the top edge of the ruler to the ground to find your inseam measurement. Your inseam is very important to your final bike size so please measure carefully.

Sizing

size-table
Size	Rider Height	Inseam
XS	145 - 155 cm 4'9" - 5'1"	69 - 73 cm 27" - 29"
S	155 - 165 cm 5'1" - 5'5"	74 - 78 cm 29" - 31"
M	165 - 177 cm 5'5" - 5'10"	79 - 83 cm 31" - 33"
ML	173 - 180 cm 5'8" - 5'11"	81 - 86 cm 32" - 34"
L	177 - 188 cm 5'10" - 6'2"	84 - 89 cm 33" - 35"
XL	188 - 195 cm 6'2" - 6'5"	89 - 91 cm 35" - 36"

Geometry

All measurements provided in cm unless otherwise noted.

Sizing table
Frame size number	Frame size letter	Geometry position	Wheel size	A — Seat tube	B — Seat tube angle	Effective seat tube angle	C — Head tube length	D — Head angle	E — Effective top tube	F — Bottom bracket height	G — Bottom bracket drop	H — Chainstay length	I — Offset	J — Trail	K — Wheelbase	L — Standover	M — Frame reach	N — Frame stack
14.0	XS	Low	27.5"	35.6	69.0°	75.0°	9.0	66.0°	54.6	33.5	2.1	43.7	4.3	11.1	112.0	69.5	39.5	56.3
14.0	XS	High	27.5"	35.5	69.5°	75.5°	9.0	66.5°	54.5	34.1	1.4	43.6	4.3	10.6	111.9	70.0	40.0	55.9
15.5	S	Low	27.5"	39.5	69.0°	75.0°	10.0	66.0°	56.8	33.5	2.1	43.7	4.3	11.1	114.4	70.2	41.5	57.2
15.5	S	High	27.5"	39.5	69.5°	75.5°	10.0	66.5°	56.7	34.1	1.4	43.6	4.3	10.6	114.3	70.8	42.0	56.8
21.5	XL	Low	29"	50.0	67.5°	75.0°	12.0	66.0°	66.3	34	3.4	43.7	4.3	11.9	124.2	77.0	49.5	62.7
21.5	XL	High	29"	50.0	68.0°	75.5°	12.0	66.5°	66.2	34.6	2.7	43.6	4.3	11.6	124.1	77.6	50.0	62.3

Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

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Color

Size

Fuel EX C Gen 5 Frameset

Accessorize Your Ride

Bontrager Line Pro 35 0 Degree Blendr Stem

Bontrager Line Pro 30 TLR Boost 29 MTB Wheel

Bontrager TLR Tire Sealant

Bontrager Pro Ratchet Multi-Tool

Bontrager XR4 Team Issue TLR MTB Tire

Bontrager Rally WaveCel Mountain Bike Helmet

Trek Line Elite Clipless Pedal Set

Overview

See it in action

Which generation is right for you?

Service manual

Get faster on the trail in a week

How to pack for any trail ride

Product features

Will my bike have a curved top tube?

Active Braking Pivot

Straight Shot w/Knock Block

Suspension Calculator

Mino Link adjustable geometry

OCLV Mountain Carbon

Boost148/110

Control Freak Cable Management

How tall are you?

What is your inseam?

Sizing

Geometry

Simple and intuituve e-bikes, paired with legendary Townie^® comfort and control.

Townie^® is the perfect ride-around-town bike.