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Carbon full-suspension mountain bike Trek Fuel LX 9.9 X0 AXS miami green/aloha marble 12-speed

Carbon full-suspension mountain bike Trek Fuel LX 9.9 X0 AXS Miami green: Ultimate, wireless, 160/170 mm

Kč211,794.27 Incl. Tax

Color

Green

Size

Size charts

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Trek Fuel LX 9.9 X0 AXS Miami Green: the most adjustable Fuel LX

Top of the family, the Trek Fuel LX 9.9 X0 AXS Gen 7 combines the OCLV Mountain carbon frame with a 170 mm RockShox ZEB Ultimate fork, a Vivid Ultimate shock for 160 mm at the rear and the SRAM X0 Eagle AXS T-Type drivetrain. Trek has not published a weight for this version; the closest reference is the Fuel LX 9.8 XT Di2, on the same carbon frame, at 15.97 kg in a size M. The Miami Green/Aloha Marble colourway features a lagoon green close to teal, marbled with pale green.

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 rider who likes to understand and adjust their suspension, and wants the most complete kit in the Fuel LX range. It is aimed at the experienced mountain biker who knows what they want from their fork and shock on every type of terrain.

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 ZEB Ultimate gets a Linear XL air spring with ButterCups, elastomer parts that filter out small vibrations before they reach your hands. Its Charger 3.2 RC2 damper offers high- and low-speed compression and rebound adjustments: enough to tailor the fork to sandstone slabs and rooty trails alike.

At the rear, the 205 x 65 mm Vivid Ultimate is an air shock, which makes it easy to adapt to your weight simply by adjusting the pressure, without changing springs. This differs from the 9.8, fitted with a Fox DHX2 coil: the feel is a little more progressive at the end of the stroke.

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: compared with the 9.8 XT Di2 (15.97 kg in M), the 9.9 adds RockShox Ultimate, SRAM X0 AXS and a wireless dropper on the same frame. The Fuel EX 9.9 X0 AXS, lighter at 14.08 kg, is limited to 145/150 mm; the Slash 9.9 X0 AXS T-Type weighs 16.53 kg for 170/170 mm.

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

Air shock or coil?	Air: the Vivid Ultimate adapts to your weight through pressure, with no spring change.
Why no weight?	Trek has not published it; the 9.8 XT Di2 on the same frame weighs 15.97 kg in M.
How many adjustments on the ZEB?	High- and low-speed compression, rebound and air pressure.
Is the marbled green unique?	The marbling varies slightly from one frame to another, so each bike is one of a kind.

The LVR Cycles verdict

The Fuel LX for set-up enthusiasts, with very complete RockShox Ultimate suspension and a wireless drivetrain. Its lagoon green marbled with pale green suits this high-end character well.

Pros
+ Highly adjustable RockShox Ultimate suspension
+ Air shock easy to adapt
+ Original marbled lagoon green

Cons
- Weight not published by Trek
- Many settings for a beginner

Why buy from LVR Cycles? As a Trek dealer in Béziers, we establish your ZEB and Vivid settings, pair the AXS drivetrain and the Transfer NEO dropper and service your suspension season after season.

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-5349103

Data sheet