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Aluminium full-suspension mountain bike Trek Fuel MX 9 Eagle 90 Fox matte sedona red/pennyflake splatter 12-speed

Aluminium full-suspension mountain bike Trek Fuel MX 9 Eagle 90 Sedona red: Fox 36 160 mm, Eagle 90, 16.78 kg

$8,287.60 Incl. Tax

~~$8,920.24~~ MSRP

Recommended supplier selling price in 2026

Color

Rouge et Orange

Size

Size charts

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Trek Fuel MX 9 Eagle 90 Sedona Red: made for red earth

With 150 mm of rear travel and a 160 mm Fox 36, the Gen 7 Trek Fuel MX 9 Eagle 90 is aimed at riders who love fast, rough trails without giving up on pedalling back up under their own steam. The Alpha NEXT Platinum aluminium frame and SRAM Eagle 90 drivetrain bring the total to 16.78 kg in size M. The Matte Sedona Red/Pennyflake Splatter finish combines a matt terracotta red with fine copper flakes.

Technical specifications

Frame	Alpha NEXT Platinum aluminium, integrated storage, adjustable progression, interchangeable rocker and lower shock mount, ABP, threaded BSA 73 bottom bracket, ISCG 05
Suspension	Fox Factory 36 GRIP X2 fork, 160 mm / Fox Factory Float X 205x60 mm shock, 150 mm at the rear
Drivetrain	Mechanical SRAM Eagle 90 T-Type 1x12, 30T chainring, XS-1275 10-52 cassette
Brakes	SRAM Maven Bronze hydraulic 4-piston, HS2 200 and 180 mm rotors
Wheels / tyres	Bontrager Line Comp 30 / Maxxis Assegai MaxxGrip 29x2.5 front, Minion DHR II MaxxTerra 27.5x2.5 rear, EXO+, Tubeless Ready
Cockpit	Race Face Turbine alloy 35 mm handlebar (40 mm rise), Bontrager Elite 45 mm stem, Trek Line Elite grips
Saddle / seatpost	Verse Short Comp 145 mm / Bontrager Line Dropper 34.9 mm dropper post (150 to 200 mm travel depending on size)
Weight	16.78 kg in size M (Trek figure, with tubeless sealant, no inner tubes)

At a glance

✓ Alpha NEXT Platinum alloy frame	✓ Fox Factory 36 and Float X
✓ Mixed 29 / 27.5 wheels	✓ SRAM Eagle 90 T-Type 10-52
✓ Maven Bronze 4-piston brakes	✓ 16.78 kg in size M

Who is it for?

For the mountain biker who rides the trails of the Salagou and Lodève, loves bermed corners and small jumps, and is looking for a more committed bike than a classic trail bike. It also suits the rider starting out in enduro who wants to progress without jumping straight to a 170 mm bike.

The LVR workshop view

Alpha NEXT Platinum aluminium, the pinnacle of Trek alloy. Trek grades its aluminium in three tiers: Alpha Silver on the Marlin, Alpha Platinum above it, and Alpha NEXT Platinum, reserved for the 7th generation of the Fuel. It is the latter that forms the base of the Fuel MX 9 Eagle 90. On the Fuel EX of the same generation, the alloy frameset weighs 4.95 kg in M, against 3.31 kg for the carbon version: the gap is real, but a well-made alloy frame takes rocks and crashes without leaving you worrying about the slightest invisible crack.

	Alpha NEXT Platinum (Fuel 9)	OCLV Mountain (Fuel 9.8 / 9.9)	Alpha Platinum (Slash 8)
Level	Trek's best aluminium	Trek's mountain bike carbon	High-end alloy, one step below NEXT
Designed to	Take knocks at a sensible cost	Save weight, resist impacts	Aluminium enduro frames
Gen 7 Fuel EX frameset (M)	4.95 kg	3.31 kg	not applicable
What it means	Heavier, but unbothered by small knocks	1.64 kg less on the frameset	Previous aluminium generation

Put simply: with the same drivetrain, this alloy Fuel MX amounts to a complete bike capable of the same descents as the carbon 9.8. The extra grams are felt mainly on long climbs; on descents, the stability of a slightly heavier frame is no bad thing.

The mullet set-up, 29 inches at the front and 27.5 at the rear, really changes the ride: the smaller rear wheel leaves more room for the rider when shifting back over the saddle on steep slopes, and the bike moves more quickly from one corner to the next. The MaxxGrip-compound Maxxis Assegai at the front bites well into dry, dusty earth.

The four-piston SRAM Maven Bronze brakes are sized for long descents; their power calls for a progressive touch on the lever. The frame offers adjustable progression: a rider who jumps a lot can make the end-stroke firmer without changing shock.

Which Fuel should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Fuel EX 9 Eagle 90	Alpha NEXT Platinum alloy	145 / 150 mm	SRAM Eagle 90 1x12	16.58 kg
Fuel MX 9 Eagle 90 (Fox)	Alpha NEXT Platinum alloy	150 / 160 mm	SRAM Eagle 90 1x12	16.78 kg
Fuel MX 9 XT	Alpha NEXT Platinum alloy	150 / 160 mm	Shimano XT 1x12	16.91 kg
Fuel LX 9 Eagle 90	Alpha NEXT Platinum alloy	160 / 170 mm	SRAM Eagle 90 1x12	17.38 kg

Our take: with the same drivetrain, the MX 9 Eagle 90 weighs only 200 g more than the Fuel EX 9 Eagle 90, for more travel at both ends. The MX 9 XT, at 16.91 kg, swaps SRAM for Shimano XT and 203 mm rotors.

LVR sizing advice

Hesitating between two sizes: the smaller one makes the bike playful in tight corners, the larger one makes it more composed at high speed. Dropper post travel increases with size, from 150 to 200 mm.

Size	M	L
Rider height (cm)	165-177	177-188
Inseam (cm)	79-83	84-89
Dropper post (mm of travel)	170	200

Source: Trek size guide. Bike fitting available in our Béziers shop.

Your questions

Can it handle the bike park?	Yes for regular sessions; for intensive use, the Fuel LX is better armed.
What is progression?	The way the shock firms up towards the end of its travel; the frame lets you change it.
Are the brakes too powerful?	No, they just need a progressive touch; we set them up to suit your hands.
Is this matt red fragile?	Clean it with a gentle, wax-free product to keep the original matt look.

The LVR Cycles verdict

A playful Fuel MX that loves corners and little take-offs as much as fast descents. The terracotta red with coppery highlights gives it real personality.

Pros
+ Lively, fun mullet handling
+ Adjustable progression on the frame
+ Original matt red

Cons
- Entry-level SRAM drivetrain
- Only offered in M and L

Why buy from LVR Cycles? In Béziers, we adjust the progression and suspension set-up to suit your riding, and support you with Maven brake servicing.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.

Reference TRK-5334908

Data sheet