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Aluminium full-suspension mountain bike Trek Fuel MX 9 XT M8100 matte sedona red/pennyflake splatter 12-speed

Aluminium full-suspension mountain bike Trek Fuel MX 9 XT Sedona red: XT 203 mm, Fox 36, 150/160 mm, 16.91 kg

kr53,892.09 Incl. Tax

~~kr58,005.99~~ MSRP

Recommended supplier selling price in 2026

Color

Rouge et Orange

Size

Size charts

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Trek Fuel MX 9 XT Sedona Red: brake hard and late in the Caroux

When the descents get longer, the Trek Fuel MX 9 XT Gen 7 makes the most of its four-piston Shimano XT brakes, its 203 mm front rotor and its 160 mm Fox Factory 36 GRIP X2 fork, backed by 150 mm at the rear. The Alpha NEXT Platinum aluminium frame brings the whole package to 16.91 kg in size M according to Trek. The Matte Sedona Red/Pennyflake Splatter colour pairs a matt earthy red with copper glints.

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	Shimano XT 1x12, long-cage M8200 derailleur, M8200 30T chainset (165 or 170 mm depending on size), M8200 10-51 cassette
Brakes	Shimano XT M8220 4-piston hydraulic, RT86 rotors, 203 mm front and 180 mm rear
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	16.91 kg in size M (Trek figure, with tubeless sealant, no inner tubes)

At a glance

✓ Alpha NEXT Platinum frame	✓ Fox Factory 160 / 150 mm
✓ 12-speed Shimano XT, 10-51 cassette	✓ 4-piston XT brakes, 203 mm rotor
✓ 29 / 27.5 mullet on Maxxis	✓ 16.91 kg in size M

Who is it for?

For the rider who loves long technical descents, such as those of the Caroux or the Orb valley, and wants to keep effective brakes all the way to the bottom. It suits mountain bikers from 165 to 188 cm, as this version is available in M and L.

The LVR workshop view

Why an aluminium Fuel MX? The frame is built from Alpha NEXT Platinum, the top tier of Trek's alloys, ahead of Alpha Platinum and Alpha Silver. On the Gen 7 Fuel platform, the aluminium frame kit (4.95 kg in M, measured on the Fuel EX) weighs 1.64 kg more than the carbon kit (3.31 kg): that is the price of toughness and a controlled budget.

	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

In short: for a rider who lives for descending, the weight difference with carbon matters little; the quality of the brakes and fork matters much more.

On a long descent, brakes heat up and their effectiveness can drop. The 203 mm front rotor offers more surface area to dissipate heat, and the four-piston callipers spread the load. The result: a lever that keeps its bite point, even after several minutes of braking.

The GRIP X2 cartridge in the Fox 36 lets you adjust low and high-speed compression and rebound separately: the fork rides high on steep slopes and absorbs big hits. We set these parameters with you according to your weight and riding.

Which Fuel should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Fuel EX 9 XT	Alpha NEXT Platinum alloy	145 / 150 mm	Shimano XT 1x12	17.14 kg
Fuel MX 9 XT	Alpha NEXT Platinum alloy	150 / 160 mm	Shimano XT 1x12	16.91 kg
Fuel MX 9 XT Di2	Alpha NEXT Platinum alloy	150 / 160 mm	Shimano XT Di2 1x12	not disclosed
Fuel LX 9 XT	Alpha NEXT Platinum alloy	160 / 170 mm	Shimano XT 1x12	17.79 kg

Our take: compared with the Fuel MX 9 Eagle 90 (16.78 kg), the MX 9 XT weighs only 130 g more and switches to Shimano XT, M8220 brakes included. The Fuel EX 9 XT (17.14 kg) remains more of a versatile trail bike.

LVR sizing advice

If you are between two sizes, the smaller favours handling in switchbacks and slow sections, the larger brings stability as speed rises. Dropper post travel follows frame size.

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

Do the brakes overheat?	The 203 mm rotor and four-piston callipers limit heat build-up.
Can I set up the fork myself?	Yes, but we recommend an initial set-up in the workshop to start from a good base.
Is it suitable for a heavier rider?	Yes, the air pressure and frame progression adapt to the rider's weight.
Does the matt red scratch?	Small marks barely show thanks to the copper flecks.

The LVR Cycles verdict

A Fuel MX designed for long, technical descents, with braking that does not fade. Its matt earthy red with copper glints gives it plenty of style.

Pros
+ Fade-resistant braking with 203 mm rotor
+ Highly adjustable Fox GRIP X2 fork
+ Warm matt red

Cons
- Weight noticeable on climbs
- Only two sizes

Why buy from LVR Cycles? In Béziers, we set up your Fox fork and shock, bleed the XT brakes and advise you on preparing for your long descents.

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-5340510

Data sheet