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Carbon full-suspension mountain bike Trek Fuel MX 9.8 Eagle 90 gloss chameleon green/matte black 12-speed

Carbon full-suspension mountain bike Trek Fuel MX 9.8 Eagle 90 chameleon green: adjustable, 150/170 mm

kr71,703.89 Incl. Tax

Color

Black and green

Size

Size charts

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Trek Fuel MX 9.8 Eagle 90 Chameleon Green: a frame that adjusts to your style

The Trek Fuel MX 9.8 Eagle 90 Gen 7 is built on an OCLV Mountain carbon frame with adjustable progression, with 150 mm of travel at the rear and 170 mm up front, and a 29-inch wheel up front and 27.5-inch at the rear. On the scales, weight not published by Trek for this version; Trek references in a size M: 15.28 kg for the Fuel EX 9.8 XT, 15.97 kg for the Fuel LX 9.8 XT Di2. The Gloss Chameleon Green/Matte Black colourway plays on a glossy chameleon green that shifts with the light, and a matte black.

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	RockShox ZEB Ultimate fork, Charger 3.2 RC2 damper, 170 mm / RockShox Vivid Ultimate shock 205 x 65 mm, 150 mm at the rear
Drivetrain	SRAM Eagle 90 T-Type 1x12, 30T steel chainring, XS-1275 10-52 cassette, GX Eagle chain
Brakes	SRAM Maven Bronze hydraulic 4-piston, HS2 200 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	✓ 150 mm rear / 170 mm front
✓ Mixed 29 / 27.5-inch wheels	✓ SRAM Eagle 90 T-Type 1x12
✓ Maven Bronze 4-piston brakes	✓ Weight n/a; reference EX 9.8 XT 15.28 kg (M)

Who is it for?

For the curious mountain biker who likes their bike to evolve with them: starting on trail rides, progressing towards more aggressive descents, and wanting a frame that keeps up without being replaced. It also suits riders who go on a mountain bike trip in the mountains once or twice a year.

The LVR workshop view

OCLV Mountain carbon, Trek's signature. OCLV Mountain is the off-road version of OCLV carbon: the same compaction of the plies under heat and pressure, but a layup designed to withstand rock strikes and landings rather than to chase the lowest weight. On this Fuel MX 9.8 Eagle 90, the frame gets down tube protection, a storage hatch and the UDH hanger, and it benefits from 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: this 9.8 Eagle 90 is the most simply equipped of the carbon Fuel MX models. Its frame is that of the higher versions; the difference lies in the SRAM Eagle 90 groupset and the Maven Bronze brakes, two items that can be upgraded later without touching the frame.

The Gen 7 Fuel frame offers adjustable progression and interchangeable parts, an alloy rocker link and lower shock mount: this is what allows Trek to offer the same platform as EX, MX and LX. For you, it means suspension that can be made more supportive at the end of the stroke if you jump more, with the adjustment done in our workshop.

The RockShox Vivid Ultimate shock (205 x 65 mm) is the same one found on the SRAM-equipped Fuel LX models: an enduro-class air shock that keeps some margin as descents get longer. On a trip to the Alps or the Pyrenees, it is a real comfort on tracks with several hundred metres of descent.

Which Fuel should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Fuel MX 9 XT	Alpha NEXT Platinum alloy	150 / 160 mm	Shimano XT 1x12	16.91 kg
Fuel MX 9.8 Eagle 90	OCLV Mountain carbon	150 / 170 mm	SRAM Eagle 90 T-Type 1x12	not published
Fuel MX 9.8 XT	OCLV Mountain carbon	150 / 160 mm	Shimano XT 1x12	not disclosed
Fuel LX 9.8 XT Di2	OCLV Mountain carbon	160 / 170 mm	Wireless Shimano XT Di2	15.97 kg

Our take: compared with the Fuel LX 9.8 XT Di2 (15.97 kg in M), this MX keeps 10 mm less at the rear, for a bike that is livelier when accelerating. The MX 9.8 XT drops to 160 mm up front with Fox suspension; the alloy MX 9 XT weighs 16.91 kg.

LVR sizing advice

Between two sizes, the smaller one makes the bike more playful in hairpins, the larger one more stable at high speed. Dropper post travel increases with size, from 150 mm in S to 200 mm from L upwards.

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

Can the progression be changed?	Yes, the frame is designed for this adjustment; we change it in our workshop according to your riding.
Suitable for trips to resorts?	Yes for back-to-back descents; plan a suspension service when you get back.
Does the green really change colour?	Yes, the chameleon finish takes on different tints depending on the angle of the light.
What dropper post travel?	150 mm in S, 170 mm in M and 200 mm in L, XL and XXL.

The LVR Cycles verdict

The carbon Fuel MX for those who want a bike that evolves, adjustable as they progress. Its glossy chameleon green on matte black changes appearance at every corner.

Pros
+ Adjustable progression
+ Enduro-class Vivid shock
+ Spectacular chameleon green

Cons
- Weight not published by Trek
- Adjustments to be made in the workshop to make the most of it

Why buy from LVR Cycles? In Béziers, we set the progression and suspension of your Fuel MX to your style, prepare the bike before a mountain trip and service it when you get back.

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-5356004

Data sheet