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

Carbon full-suspension mountain bike Trek Fuel LX 9.8 Eagle 90 chameleon green: bike park, 160/170 mm

$10,542.59 Incl. Tax

Color

Black and green

Size

Size charts

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Trek Fuel LX 9.8 Eagle 90 Chameleon Green: carbon at the bike park

Lap after lap, jumps, berms: the Trek Fuel LX 9.8 Eagle 90 Gen 7 gets stuck in with its OCLV Mountain carbon frame, its 170 mm ZEB Ultimate and its 160 mm Vivid Ultimate. Weight not published by Trek for this version; the 9.8 XT Di2 on the same carbon frame weighs 15.97 kg in a size M. The Gloss Chameleon Green / Matte Black colourway pairs a glossy, colour-shifting chameleon green with a matte black.

Technical specifications

Frame	OCLV Mountain carbon, in-frame storage, adjustable progression, interchangeable alloy rocker link and lower shock mount, ABP pivot, UDH hanger, threaded BSA 73 bottom bracket, ISCG 05
Suspension	RockShox ZEB Ultimate fork, Linear XL spring with ButterCups, Charger 3.2 RC2 damper, 170 mm / RockShox Vivid Ultimate shock 205 x 65 mm, 160 mm
Drivetrain	Mechanical SRAM Eagle 90 T-Type 1x12, steel 30T 170 mm chainset, 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 (front) and Minion DHR II MAXXTERRA (rear), 29 x 2.5, EXO+ casing, Tubeless Ready
Cockpit	Race Face Turbine alloy 35 mm handlebar, 40 mm rise; Bontrager Elite 45 mm stem
Saddle / seatpost	Verse Short Comp 145 mm / Bontrager Line Dropper post 150/170/200 mm depending on size, 34.9 mm
Weight	Weight not published by Trek for this version (for reference: Fuel LX 9.8 XT Di2, identical carbon frame, 15.97 kg in a size M)

At a glance

✓ OCLV Mountain carbon frame	✓ ZEB Ultimate and Vivid Ultimate
✓ 160 mm rear / 170 mm front	✓ Mechanical SRAM Eagle 90
✓ Five sizes, from S to XXL	✓ Reference: 15.97 kg (LX 9.8 XT Di2, M)

Who is it for?

This Fuel LX is aimed at the rider who splits their days between the bike park and enduro rides, and wants a lively carbon bike that is agile in berms and on jumps. It will also appeal to those looking for a playful bike on the descents.

The LVR workshop view

OCLV Mountain carbon, Trek's mountain bike signature. OCLV is Trek's carbon process; its Mountain version is tuned for impact resistance rather than weight saving alone. The Fuel LX 9.8 benefits with a frame lighter than the Alpha NEXT Platinum alloy of the LX 9, the same adjustable kinematics, a UDH hanger and Trek's lifetime warranty on the frame.

	OCLV Mountain (Fuel LX 9.8)	Alpha NEXT Platinum (Fuel LX 9)	OCLV Mountain (Slash 9.8)
Level	Trek's mountain bike carbon, lifetime warranty	Trek's best mountain bike aluminium	Same carbon, more aggressive bike
Construction	OCLV layup tuned to absorb impacts	Alloy engineered for strength	OCLV layup, 170 mm at the rear
Reference bike	Gen 7 carbon Fuel EX frameset: 3.31 kg (M)	Gen 7 alloy Fuel EX frameset: 4.95 kg (M)	Slash 9.8 XT Di2: 16.63 kg (M)
What it means	About 1.6 kg less on the frameset	Heavier, more affordable	More travel, less versatile

Put simply: the 9.8 Eagle 90 is the most direct way to get a carbon Fuel LX. The drivetrain stays mechanical and robust; the weight is not published, but the 9.8 XT Di2 on the same frame weighs 15.97 kg in M.

At the bike park, a lighter bike is easier to handle in the air and through linked berms. OCLV Mountain carbon, tuned for impacts, takes the landings. The down tube protection and transport protection prevent marks on chairlifts or during shuttles.

The four-piston SRAM Maven Bronze brakes deliver high power for moderate lever effort, which limits forearm fatigue run after run. After a day on the tracks, check the pads, axles and tyre pressures.

Which Fuel should you choose?

Model	Frame	Drivetrain	Travel rear / front	Weight (M)
Fuel LX 9 Eagle 90	Alpha NEXT Platinum alloy	Mechanical SRAM Eagle 90	160 / 170 mm	17.38 kg
Fuel LX 9.8 Eagle 90	OCLV Mountain carbon	Mechanical SRAM Eagle 90	160 / 170 mm	n/a (reference 15.97 kg)
Fuel LX 9.8 XT Di2	OCLV Mountain carbon	Wireless Shimano XT Di2	160 / 170 mm	15.97 kg
Slash 9.8 XT Di2	OCLV Mountain carbon	Wireless Shimano XT Di2	170 / 170 mm	16.63 kg

Our take: at the bike park, this 9.8 Eagle 90 offers carbon and 170 mm up front. The Slash 9.8 XT Di2 (16.63 kg) moves to 170 mm at the rear; the alloy LX 9 Eagle 90 (17.38 kg) takes the punishment just as well.

LVR sizing advice

Like the other carbon Fuel LX models, it is offered up to XXL and covers riders from 155 to 203 cm. Tall riders finally get a carbon enduro bike in their size.

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 carbon handle the bike park?	Yes, OCLV Mountain is tuned for impacts and warranted for life.
Bike weight?	Not published by Trek; for reference: 15.97 kg in M for the 9.8 XT Di2.
Protecting the frame on shuttles?	Transport protection is fitted to the frame as standard.
Does the chameleon green change?	Yes, its tints vary with the angle and the light.

The LVR Cycles verdict

A lively, agile carbon Fuel LX, as much at home at the bike park as on enduro trails. Its glossy chameleon green paired with matte black turns every head.

Pros
+ Carbon that is agile in the air
+ Powerful Maven brakes
+ Spectacular chameleon green

Cons
- Weight not published
- Gloss finish prone to scratches

Why buy from LVR Cycles? In Béziers, we check over your carbon Fuel LX after your bike park sessions and service your RockShox suspension.

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-5355964

Data sheet