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Aluminium full-suspension mountain bike Trek Fuel EX 9 X0 AXS lithium grey/trek black splatter 12-speed

Aluminium full-suspension mountain bike Trek Fuel EX 9 X0 AXS grey: wireless X0, Maven Silver, 145/150 mm

£5,425.50 Incl. Tax

Color

Gris et Noir

Size

Size charts

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Trek Fuel EX 9 X0 AXS Lithium Grey: wireless on an aluminium frame

The Trek Fuel EX 9 X0 AXS Gen 7 is the best-equipped aluminium Fuel: a wireless electronic SRAM X0 Eagle AXS T-Type drivetrain, 4-piston SRAM Maven Silver brakes, a 150 mm Lyrik Ultimate fork and a Super Deluxe Ultimate shock for 145 mm. Trek has not published a weight for this version; the closest reference, the Fuel EX 9 XT Di2 with the identical aluminium frame, weighs 16.88 kg in size M. Its Lithium Grey/Trek Black Splatter colourway is a lithium grey flecked with black.

Technical specifications

Frame	Alpha NEXT Platinum aluminium, adjustable progression, interchangeable rocker and shock mount, internal storage, threaded BSA 73, ISCG 05
Suspension	RockShox Lyrik Ultimate DebonAir+ Charger 3.1 RC2 150 mm fork / RockShox Super Deluxe Ultimate RC2T 205x60 mm shock, 145 mm
Drivetrain	Wireless SRAM X0 Eagle AXS T-Type 1x12, X0 DUB 30T chainset, XS-1295 10-52 cassette, AXS battery and charger
Brakes	SRAM Maven Silver 4-piston hydraulic, HS2 200 mm (front) and 180 mm (rear) rotors
Wheels / tyres	Bontrager Line Comp 30 Tubeless Ready / Maxxis Minion DHF MaxxGrip and DHR II MaxxTerra 2.5 in (27.5 rear on S)
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, 150 to 200 mm depending on size
Weight	Weight not published by Trek for this version; reference: Fuel EX 9 XT Di2 (identical aluminium frame) 16.88 kg in size M

At a glance

✓ Alpha NEXT Platinum, 150/145 mm	✓ Wireless SRAM X0 Eagle AXS T-Type
✓ SRAM Maven Silver brakes	✓ Lyrik Ultimate and Super Deluxe Ultimate
✓ Maxxis Minion EXO+ 2.5 in	✓ Weight not published by Trek

Who is it for?

For the tech-loving mountain biker who wants precise shifting on every ride, with no cable adjustment, and does not mind charging a battery from time to time. It is aimed at riders who ride a lot and want a bike that stays dialled.

The LVR workshop view

Alpha aluminium, Trek's expertise. The Fuel EX 9 X0 AXS is the only aluminium Fuel to get a SRAM electronic drivetrain, and with no derailleur cable, its frame houses only the rear brake hose and the dropper post cable, both routed internally. Alpha NEXT Platinum is the highest tier of Trek's alloys, ahead of Alpha Platinum (Procaliber, Slash 8) and Alpha Silver (Marlin). The frame kit weighs 4.95 kg in M and keeps the adjustable progression of the Gen 7.

	Alpha Silver	Alpha NEXT Platinum	OCLV Mountain
Level	Trek's entry-level alloy	The most refined of the Alpha alloys	Trek's mountain bike carbon
Construction	Alpha aluminium, hardtail frame	Alpha aluminium, adjustable Fuel platform	OCLV process tuned for impacts
Reference bike	Marlin 4 to 7	Fuel EX 5, 8 and 9	Fuel EX 9.8 and 9.9
What it means	Simple and affordable, no rear suspension	4.95 kg frameset in M, tough and more affordable	3.31 kg frameset in M, 1.64 kg less

In short: here you get a carbon-level drivetrain on an aluminium frame. It is a coherent choice if the precision and robustness of wireless matter more to you than the 1.64 kg the OCLV Mountain frame kit would save.

The AXS shifter sends the command to the derailleur without a cable: no housing to get clogged, no tension that slackens after a few dusty rides. Shifting stays identical whether the bike is new or has 2,000 km in its legs.

The X0 T-Type derailleur is mounted directly on the rear axle, with no intermediate hanger to bend on the first rock. We carry out the AXS updates and pair the controls in the workshop; you can then customise your settings in the SRAM app.

Which Fuel should you choose?

Model	Frame	Fork / rear	Drivetrain	Weight (M)
Fuel EX 9 Eagle 90	Alpha NEXT Platinum alloy	RockShox Lyrik Ultimate, 150 / 145 mm	SRAM Eagle 90 1x12	16.58 kg
Fuel EX 9 XT Di2	Alpha NEXT Platinum alloy	Fox Factory 36, 150 / 145 mm	Shimano XT Di2 1x12	16.88 kg
Fuel EX 9 X0 AXS	Alpha NEXT Platinum alloy	RockShox Lyrik Ultimate, 150 / 145 mm	SRAM X0 AXS T-Type 1x12	not published
Fuel EX 9.8 XT	OCLV Mountain carbon	Fox Factory 36, 150 / 145 mm	Shimano XT 1x12	15.28 kg

Our take: compared with the Fuel EX 9 Eagle 90 (16.58 kg in M), the X0 AXS brings the electronic drivetrain and Maven Silver brakes. The carbon Fuel EX 9.8 XT weighs 15.28 kg, with a mechanical groupset.

LVR sizing advice

If you are between two sizes, the smaller gives a lively bike in slow sections, the larger gains composure as the slope steepens. Post travel goes from 150 mm (S) to 200 mm (L, XL); in S, a 27.5-inch rear wheel.

Size	S	M	L	XL
Rider height (cm)	155-165	165-177	177-188	188-195
Inseam (cm)	74-78	79-83	84-89	89-91
Dropper post (mm)	150	170	200	200
Wheels front / rear (in)	29 / 27.5	29 / 29	29 / 29	29 / 29

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

Your questions

How do I charge the drivetrain?	The AXS battery comes off the derailleur and is recharged with the supplied charger.
Can I change gear if the battery runs out?	Keep a charged battery: without it, the derailleur stays on the sprocket it is in.
What does this Fuel weigh?	Not published by Trek; reference: 16.88 kg in M for the Fuel EX 9 XT Di2.
Is the speckled grey discreet?	Yes, it is the most understated of the three colourways for this version.

The LVR Cycles verdict

The Fuel EX 9 X0 AXS offers a carbon-level drivetrain on a tough aluminium frame, for consistently precise shifting. Its lithium grey flecked with black gives it a technical, understated look.

Pros
+ Wireless X0 AXS drivetrain
+ Maven Silver brakes
+ Understated flecked grey

Cons
- Weight not published by Trek
- Battery to keep an eye on

Why buy from LVR Cycles? In Béziers, we pair and update your AXS drivetrain, set up the suspension and service your Fuel EX 9 X0 AXS.

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-5348832

Data sheet