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Carbon full-suspension mountain bike Trek Fuel MX 9.8 XT miami green/aloha marble 12-speed

Carbon full-suspension mountain bike Trek Fuel MX 9.8 XT teal: Fox Factory, Shimano XT, 29/27.5, 150/160 mm

kr48,615.46 Incl. Tax

Color

Green

Size

Size charts

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Trek Fuel MX 9.8 XT Miami Green: big mountain bike days in carbon

The Trek Fuel MX 9.8 XT Gen 7 combines an OCLV Mountain carbon frame with Fox Factory suspension of 150 mm at the rear and 160 mm up front, the Shimano XT M8200 1x12 drivetrain and a mixed 29 / 27.5-inch wheel set-up. Weight not published by Trek for this version; for comparison, count on 15.28 kg for a Fuel EX 9.8 XT and 15.97 kg for a Fuel LX 9.8 XT Di2 in a size M. Its Miami Green/Aloha Marble colourway pairs a teal with light green marbled swirls.

Technical specifications

Frame	OCLV Mountain carbon, integrated storage, adjustable progression, interchangeable rocker link and lower shock mount, down tube and transport protection, threaded BSA 73 bottom bracket, ISCG 05, ABP, UDH hanger, Boost
Suspension	Fox Factory 36 Float EVOL fork, GRIP X2 damper, 160 mm / Fox Factory Float X shock 205 x 60 mm, 150 mm at the rear
Drivetrain	Mechanical Shimano XT M8200 1x12, 30T chainring, 10-51 cassette, M8200 long-cage derailleur
Brakes	Shimano XT M8220 4-piston hydraulic, RT86 203 and 180 mm rotors
Wheels / tyres	Bontrager Line Comp 30 / mixed set-up: Maxxis Assegai 29x2.5 MaxxGrip up front, Minion DHR II 27.5x2.5 MaxxTerra at the 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 post, 150 to 200 mm of travel depending on size
Weight	Weight not published by Trek for this version; references in a size M: Fuel EX 9.8 XT 15.28 kg, Fuel LX 9.8 XT Di2 15.97 kg

At a glance

✓ OCLV Mountain carbon frame	✓ Fox Factory 150 / 160 mm
✓ Shimano XT M8200 1x12, 10-51	✓ XT 4-piston brakes, 203 / 180 mm
✓ Mixed 29 / 27.5-inch set-up	✓ Weight n/a; reference EX 9.8 XT 15.28 kg (M)

Who is it for?

For the mountain biker who heads out for whole days, alternates long climbs with technical descents, and does not want to choose between efficiency and safety. Ideal for the big loops of the Espinouse or day-long crossings of the massif.

The LVR workshop view

OCLV Mountain carbon, Trek's signature. Since 1992, Trek has been eliminating micro-voids from its frames by compacting the fibres under heat and pressure: this is the OCLV process. Its Mountain version, used on the Fuel MX 9.8 XT, prioritises impact resistance, essential on a bike that spends its rides in scree. The frame integrates storage, a threaded BSA bottom bracket and ISCG 05 mounts for a chain guide, under Trek's lifetime warranty.

	OCLV Mountain (Fuel MX 9.8 / 9.9)	Alpha NEXT Platinum (Fuel MX 9)	Carbon Fuel EX / LX
Level	Trek's mountain bike carbon, tuned for impacts	Trek's most advanced aluminium	Same Gen 7 Fuel platform
Construction	Plies compacted under heat and pressure	Alpha NEXT Platinum alloy	Identical OCLV Mountain carbon
Gen 7 Fuel frameset (M)	3.31 kg (Fuel EX figure)	4.95 kg (Fuel EX figure)	3.31 kg for the EX
What it means	Around 1.6 kg less on the frame, lifetime warranty	Heavier, gentler on the budget	145 / 150 mm (EX) or 160 / 170 mm (LX)

Put simply: here, carbon is not about climbing faster by a few grams, it lightens the frame by around 1.6 kg compared with Fuel aluminium, making the bike easier to handle and carry. The 9.8 XT pairs this frame with Fox Factory suspension and a proven cable-actuated Shimano groupset.

The Shimano XT M8200 groupset works with a conventional derailleur cable: it can be fixed trailside with a simple multi-tool, and its parts are available in every workshop. The 10-51 cassette with the 30-tooth chainring offers a very low bail-out gear for the end of a long day, when your legs start to feel it.

The 4-piston Shimano XT M8220 brakes have a sharp bite and precise modulation. Paired with a 203 mm and a 180 mm rotor, they go the distance on the long descents from the Espinouse down to the Orb valley, provided the pads are checked regularly.

Which Fuel should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Fuel EX 9.8 XT	OCLV Mountain carbon	145 / 150 mm	Shimano XT 1x12	15.28 kg
Fuel MX 9.8 Eagle 90	OCLV Mountain carbon	150 / 170 mm	SRAM Eagle 90 T-Type 1x12	not disclosed
Fuel MX 9.8 XT	OCLV Mountain carbon	150 / 160 mm	Shimano XT 1x12	not published
Fuel MX 9.8 XT Di2	OCLV Mountain carbon	150 / 160 mm	Wireless Shimano XT Di2	not disclosed

Our take: with 150/160 mm, this 9.8 XT has 5 mm more at the rear and 10 mm more up front than the Fuel EX 9.8 XT (145/150 mm, 15.28 kg in M). The MX 9.8 Eagle 90 goes up to 170 mm up front; the 9.8 XT Di2 keeps the same suspension with a wireless derailleur.

LVR sizing advice

If you are unsure, go for the smaller size for agility on technical trails, the larger for stability on fast descents. The Line Dropper goes from 150 mm (S) to 170 mm (M) then 200 mm.

Size	S	M	L	XL	XXL
Rider height (cm)	155-165	165-177	177-188	188-195	195-203
Inseam (cm)	74-78	79-83	84-89	89-91	91-97
Dropper post (mm)	150	170	200	200	200

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

Your questions

Shimano or SRAM on this frame?	Both exist on the Fuel MX 9.8; here, cable-actuated Shimano XT, easy to fix.
Made for long rides?	Yes, the Fox suspension and 51-tooth sprocket make big days accessible.
Are the tyres tubeless?	Yes, Maxxis Tubeless Ready; we carry out the set-up with sealant.
Does the marbling vary?	Yes, the light green marbling differs slightly from one frame to another.

The LVR Cycles verdict

The carbon Fuel MX for big days out, with a Shimano XT drivetrain that is easy to live with far from anywhere. Its teal marbled with light green evokes the clear rivers of the hinterland.

Pros
+ Fox Factory GRIP X2 suspension
+ Reliable, easy-to-fix Shimano XT
+ Original teal colourway

Cons
- Weight not published
- Cable derailleur to adjust from time to time

Why buy from LVR Cycles? As a Trek dealer in Béziers, we set up your Fuel MX tubeless, set the Fox suspension for your weight and service the XT drivetrain and brakes.

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-5349129

Data sheet