2022 · TrekFuel EX 5

A 27.5″ / 29″ aluminum frame full suspension trail bike with upper mid-range components. Compare the full range

2022 Trek Fuel EX 5
Weight34.6 lbs
Travel130mm rear, 140mm front
ForkRockShox Recon Silver RL
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 12
BrakesHydraulic Disc
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1 × 12 — 12 speed

Fuel EX 5

26 mph

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26 mph

The Fuel EX 5 is easier to ride up hills than similar bikes.

The Fuel EX 5 is geared about the same as similar bikes for riding downhill.

Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more →

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This bike
Other trail bikes
[Dream Bike] Trek Fuel EX

Ian CollinsDec 2022

A couple months ago, I was on the hunt for a new mid-travel personal bike and found myself largely unconvinced by most of the offerings on the market. Then a new, highly adjustable and longer in the tooth Trek Fuel EX was announced. When I reached out to Trek to inquire about testing one they offered to send a frameset for me to build out. On paper given that it had my ideal geometry, loads of adjustments (including leverage rate!), internal storage and the options of  air or coil and mullet or straight 29″, this was the ultimate Swiss army

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Field Test: Trek Fuel EX - Evolution Underlined

Mike LevyDec 2022

The downtube storage compartment is on the new bike, and while it seems like Trek has put all the things onto the latest Fuel EX, there's one that they didn't: Knock Block.

  • Wide range of effective geometry adjustments

  • Just as much fun on smooth trails as it is on scary trails

  • Great climber, efficient pedaling

  • One-piece handlebar might be too stiff for some riders

  • Paint chips easily

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Flow Mountain Bike
Trek Fuel EX 2023 Review | A bigger, musclier & hugely adaptable trail bike

Oct 2022

All-new for 2023, the Trek Fuel EX is no doubt the burliest yet. How does it compare to the competition? Read on for our Trek Fuel EX review.

  • Sturdy, flex-free chassis

  • Superb geometry with adjustable head angle

  • Efficient & comfortable climbing performance

  • Coil shock, big fork & mullet compatibility

  • Mechanic-friendly frame furnishings

  • Internal storage

  • Frame is on the heavy side

  • Rear shock tune lacks small-bump suppleness

  • Rattly rear thru-axle lever

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The New Trek Fuel EX Puts On Weight, Punches Harder, and Expands Its Reach

Sep 2022

New geometry, more travel, and even better suspension improves Trek's mid-weight trail bike.

Read Review

Trek Fuel EX 9.9 XX1 AXS first ride review

Tom MarvinSep 2022

Does the benchmark trail bike retain its reputation as a solid choice?

  • Excellent suspension

  • Solid feel to the frame

  • Great geometry

  • Doesn’t feel as sprightly on climbs as some

  • Tyres give up corner traction too easily in loose or muddy conditions

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2023 Trek Fuel EX 9.9 XX1 AXS review: A widely capable trail bike with a high-end build

Sep 2022

Trek's top-tier Fuel EX 9.9 XX1 AXS delights on the climbs and tackles downhill terrain with it's slack (and very adjustable) geometry.

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Enduro Mountainbike Magazine
New Trek Fuel EX 2023 – Many sizes + countless adjustability options = plenty of fun?

Simon KohlerSep 2022

With countless geometry settings and many sizes to choose from, the new 2023 Trek Fuel EX trail bike is supposed to be more versatile and customisable than ever.

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Bike Perfect
Trek Fuel EX 8 review – still one of the best trail MTBs?

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Trek’s alloy Fuel EX trail mountain bike lacks the latest features but is the overall package still a winner?

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aluminum frame

BB StandardBB86/BB92, Press Fit

Tire Clearance2.6"

ColorsLithium Grey / Marigold; Dark Aquatic / Trek Black; Matte Dnister Black


RockShox Recon Silver, Solo Air spring, Motion Control damper, lockout, tapered steerer, 42mm offset, Boost110, Maxle Stealth, 140mm travel

Rear Shock

Size: XS, S, X-Fusion Pro 2, 2-position damper, 210mm x 52.5mm; Size: S, M, ML, L, XL, X-Fusion Pro 2, 2-position damper, 210mm x 55mm

Bottom Bracket

Shimano MT500, 92mm, PressFit


Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom


Bontrager Rhythm Comp, 31.8mm, Knock Block, 0 degree, 50mm length


Bontrager alloy, 31.8mm, 15mm rise, 750mm width


Bontrager Arvada, steel rails, 138mm width


Size: XS, S, TranzX JD-YSP18, 100mm travel, internal routing, 31.6mm, 361mm length; Size: M, ML, L, XL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6mm, 425mm length


Bontrager XR Trail Comp, nylon lock-on

Rear Derailleur

Shimano Deore M6100, long cage


Size: XS, S, M, ML, L, Shimano MT511, 30T steel ring, 52mm chainline, 170mm length; Size: M, ML, L, XL, Shimano MT511, 30T steel ring, 52mm chainline, 175mm length


Shimano Deore M6100, 12 speed


Shimano Deore M6100, 10-51, 12 speed


Shimano Deore M6100, 12 speed


Shimano hydraulic disc, MT201 lever, MT200 caliper


Alex MD35, tubeless compatible, 32-hole, 35mm width, presta valve


14g stainless steel

Front Hub

Bontrager alloy, 6-bolt, Boost110, 15mm thru axle

Rear Hub

Size: XS, S, M, ML, L, XL, Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle; Size: XS, S, M, ML, L, XL, Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle


Size: XS, S, Bontrager XR4 Comp, wire bead, 30 tpi, 27.5x2.60''; Size: S, M, ML, L, XL, Bontrager XR4 Comp, wire bead, 30 tpi, 29x2.60''

Disk Rotors

Shimano RT56, 6-bolt, 180mm

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