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Carbon full-suspension mountain bike Trek Fuel LX 9.9 X0 AXS gloss chameleon green/matte black 12-speed

Carbon full-suspension mountain bike Trek Fuel LX 9.9 X0 AXS chameleon green: Line Pro 30, 160/170 mm

kr91,761.11 Incl. Tax

Color

Black and green

Size

Size charts

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Trek Fuel LX 9.9 X0 AXS Chameleon Green: the right balance between Fuel EX and Slash

The Trek Fuel LX 9.9 X0 AXS Gen 7 sits between the Fuel EX trail bike and the pure enduro Slash: OCLV Mountain carbon frame, 160 mm at the rear, 170 mm ZEB Ultimate, Bontrager Line Pro 30 wheels and SRAM X0 Eagle AXS T-Type. Trek has not published a weight for this version; for reference, the Fuel LX 9.8 XT Di2, which shares the same carbon frame, weighs 15.97 kg in a size M. Its Gloss Chameleon Green/Matte Black finish makes a glossy chameleon green shimmer against a matte black.

Technical specifications

Frame	OCLV Mountain carbon, integrated storage, adjustable progression, interchangeable alloy rockers and lower shock mount, ZS headset, BSA 73 threaded bottom bracket, ISCG 05, ABP, UDH hanger, Boost
Suspension	RockShox ZEB Ultimate fork, Linear XL spring with ButterCups, Charger 3.2 RC2 damper, 170 mm, 44 mm offset / RockShox Vivid Ultimate shock 205 x 65 mm, 160 mm
Drivetrain	Wireless SRAM X0 Eagle AXS T-Type 1x12: 30T steel chainring, XS-1295 10-52 cassette, X0 170 mm cranks, AXS battery with charger
Brakes	SRAM Maven Silver hydraulic 4-piston, HS2 200 mm and 180 mm rotors
Wheels / tyres	Bontrager Line Pro 30 / Maxxis Assegai MaxxGrip and Minion DHR II MaxxTerra 29x2.5, EXO+ casing, Tubeless Ready
Cockpit	Race Face ERA carbon handlebar 35 mm, 800 mm, 27.5 mm rise / Race Face Turbine R stem 40 mm, 0°
Saddle / seatpost	Trek Aeolus Pro carbon rails, 145 mm / wireless Fox Transfer NEO, 150 to 200 mm depending on size
Weight	Weight not published by Trek for this version (for reference: Fuel LX 9.8 XT Di2, same carbon frame, 15.97 kg in a size M)

At a glance

✓ OCLV Mountain carbon	✓ RockShox ZEB and Vivid Ultimate
✓ Wireless SRAM X0 AXS T-Type	✓ Wireless Fox Transfer NEO dropper
✓ SRAM Maven Silver brakes	✓ Weight not published (reference 15.97 kg in M)

Who is it for?

For the mountain biker torn between a versatile trail bike and an enduro bike, who wants one bike for weekend rides as well as a few races a year. It suits riders who spend a lot of time descending but refuse a bike that is too sluggish on the climbs.

The LVR workshop view

OCLV carbon, Trek's signature. The Fuel LX 9.9 shares the OCLV Mountain frame of the 9.8: the same carbon designed to withstand the repeated impacts of descending, the same Trek lifetime warranty. The difference therefore lies in the spec. A useful reminder: on the Gen 7 Fuel platform, Trek measures 3.31 kg for the carbon frameset and 4.95 kg for the aluminium one (Fuel EX, size M).

	OCLV Mountain (Fuel LX 9.9)	OCLV Mountain (Fuel LX 9.8)	Alpha NEXT Platinum (Fuel LX 9)
Level	Top-end mountain bike carbon	The same carbon	Higher-grade MTB aluminium
Spec	RockShox Ultimate, X0 AXS, wireless dropper	Fox Factory, Shimano XT or XT Di2	Fox Factory or RockShox depending on version
Published weight (M)	not disclosed	15.97 kg (XT Di2)	17.38 to 17.79 kg
What it means	The most adjustable, zero control cables	Same frame, simpler	Heavier, tough frame

Put simply: the 9.9 does not give you a lighter frame than the 9.8, it gives you RockShox Ultimate suspension with more adjustments, a drivetrain and dropper post with no control cables at all, and Line Pro 30 wheels. Trek does not publish its weight: the closest reference remains the Fuel LX 9.8 XT Di2.

The Bontrager Line Pro 30 wheels sit above the Line Comp 30 fitted to the Fuel LX 9.8 and 9: a plus for responsiveness when accelerating on a bike of this size. Their 30 mm internal-width rims support 2.5-inch tyres run at low pressure well.

Choosing between Fuel EX, Fuel LX and Slash comes down to where you set the slider: the Fuel EX 9.9 X0 AXS remains the liveliest with 145/150 mm, while the Slash 9.9 targets extreme slopes with 170 mm at the rear. The Fuel LX keeps the Fuel base, lighter and more playful, with enough travel for the region's enduro events.

Which Fuel should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Fuel EX 9.9 X0 AXS	OCLV Mountain carbon	145 / 150 mm	SRAM X0 Eagle AXS T-Type 1x12	14.08 kg
Fuel LX 9.8 XT Di2	OCLV Mountain carbon	160 / 170 mm	Shimano XT Di2 1x12	15.97 kg
Fuel LX 9.9 X0 AXS	OCLV Mountain carbon	160 / 170 mm	SRAM X0 Eagle AXS T-Type 1x12	not published
Slash 9.9 X0 AXS T-Type	OCLV Mountain carbon	170 / 170 mm	SRAM X0 Eagle AXS T-Type 1x12	16.53 kg

Our take: the Fuel EX 9.9 X0 AXS weighs 14.08 kg with 145/150 mm, the Slash 9.9 X0 AXS T-Type 16.53 kg with 170/170 mm. The Fuel LX 9.9, with no published weight, sits between the two in travel; the 9.8 XT Di2 gives 15.97 kg in M.

LVR sizing advice

Between two sizes: the smaller one if you want a lively bike on tight trails, the larger one if you favour composure at high speed. The Fox Transfer NEO dropper goes from 150 to 200 mm of travel depending on 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	175	175	200	200

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

Your questions

Fuel LX or Slash?	The Slash for extreme slopes; the Fuel LX for more varied riding with proper descents.
Fuel LX or Fuel EX?	The Fuel EX on flowing trails, the Fuel LX as soon as the terrain turns steep and rough.
Do the Line Pro 30 wheels make a big difference?	They are a step above the Line Comp 30 fitted to the other Fuel LX models.
Is the chameleon green discreet?	It changes with the light: understated in the shade, dazzling in full sun.

The LVR Cycles verdict

The high-end Fuel LX for riders who want a single bike, between aggressive trail and enduro, with no compromise on spec. Its glossy chameleon green on matte black changes appearance throughout the day.

Pros
+ Line Pro 30 wheels
+ Versatility between trail and enduro
+ Colour-shifting chameleon green

Cons
- Weight not published by Trek
- Less lively than a Fuel EX on smooth trails

Why buy from LVR Cycles? In Béziers, we help you choose between Fuel EX, Fuel LX and Slash according to your terrain, then prepare and set up your bike in our workshop.

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-5355994

Data sheet