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Aluminium full-suspension mountain bike Trek Fuel LX 9 XT Di2 matte sedona red/pennyflake splatter 12-speed

Aluminium full-suspension mountain bike Trek Fuel LX 9 XT Di2 matte red: timed enduro, DHX2 coil, 160/170 mm

£5,175.05 Incl. Tax

Color

Rouge et Orange

Size

Size charts

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Trek Fuel LX 9 XT Di2 Sedona Red: shifting gear mid-stage

In enduro racing, you shift under full load: the Trek Fuel LX 9 XT Di2 Gen 7 answers with the electronic Shimano XT Di2 drivetrain. A 170 mm Fox Factory 38 and 160 mm DHX2 coil shock complete an Alpha NEXT Platinum aluminium frame. Weight not published by Trek for this version; the LX 9 XT on the same frame weighs 17.79 kg in a size M. Its matte sienna red (Matte Sedona Red/Pennyflake Splatter) is dotted with copper flecks.

Technical specifications

Frame	Alpha NEXT Platinum aluminium, in-frame storage, adjustable progression, interchangeable rocker and lower shock mount, ABP pivot, threaded BSA 73 bottom bracket, ISCG 05, down tube protection
Suspension	Fox Factory 38 Float EVOL fork, GRIP X2 damper, 170 mm / Fox DHX2 coil shock 205 x 65 mm, 160 mm
Drivetrain	Wireless Shimano XT Di2 1x12, M8250 long-cage derailleur, XT M8200 30T crankset (165 or 170 mm according to Trek data), XT M8200 10-51 cassette
Brakes	Shimano XT M8220 4-piston hydraulic, RT86 203 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 XT, identical alloy frame, 17.79 kg in a size M)

At a glance

✓ Electronic Shimano XT Di2	✓ Fox 38 Factory / DHX2 coil
✓ 160 / 170 mm travel	✓ 4-piston XT brakes, 203 mm rotor
✓ Dropper post up to 200 mm	✓ Reference: 17.79 kg (LX 9 XT, M)

Who is it for?

The regional enduro racer looking for a precise drivetrain when accelerating out of corners on a stage, and suspension that can soak up fast sections, will find the right tool here. It also suits riders who ride fast and often on demanding routes.

The LVR workshop view

Alpha NEXT Platinum, the choice of toughness. The Fuel LX 9 XT Di2 shares its aluminium frame with the other Fuel LX 9 models: Trek's highest grade of mountain bike alloy, with progression adjustment and interchangeable kinematic parts. Pairing this frame with an electronic Di2 drivetrain is a bet on reliability: a frame that does not fear impacts, and a derailleur that stays in adjustment ride after ride.

	Alpha NEXT Platinum (Fuel LX 9)	OCLV Mountain (Fuel LX 9.8)	Alpha Platinum (Slash 8)
Level	Trek's best MTB aluminium, reserved for Gen 7 Fuels	Trek's mountain bike carbon	Aluminium from the range above
Construction	Alloy engineered for strength, highly adjustable frame	OCLV layup tuned for impact resistance	Tough alloy, simpler kinematics
Reference bike	Gen 7 alloy Fuel EX frameset: 4.95 kg (M)	Gen 7 carbon Fuel EX frameset: 3.31 kg (M)	Complete Slash 8: 16.68 kg (M)
What it means	Takes knocks, more affordable	About 1.6 kg less on the frameset	170 mm alloy enduro, less adjustable

Put simply: you get Shimano electronics without moving to carbon. Trek does not give the weight of this version; the mechanical Fuel LX 9 XT, on the same frame, weighs 17.79 kg in M.

On a stage, accelerations come one after another: out of a hairpin, over a small rise, onto a flat. The Di2 shifts several sprockets with one held press, with no thumb effort and no hesitation even under load. That stops you losing momentum at the wrong moment.

The DHX2 coil shock behaves consistently from one stage to the next. The Fox 38's GRIP X2 damper lets you firm up high-speed compression to avoid bottoming out on big impacts. We set these parameters with you before the race season.

Which Fuel should you choose?

Model	Frame	Drivetrain	Travel rear / front	Weight (M)
Fuel LX 9 XT	Alpha NEXT Platinum alloy	Mechanical Shimano XT	160 / 170 mm	17.79 kg
Fuel LX 9 XT Di2	Alpha NEXT Platinum alloy	Wireless Shimano XT Di2	160 / 170 mm	n/a (reference 17.79 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: to race with Shimano, the LX 9 XT Di2 is the wireless alloy option. The carbon LX 9.8 XT Di2 weighs 15.97 kg in M; the Slash 9.8 XT Di2 adds 10 mm at the rear.

LVR sizing advice

From S to XL, this Fuel LX covers riders from 155 to 195 cm. Also consider the dropper post travel: 150 mm in S, 170 mm in M, 200 mm in L and XL.

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

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

Your questions

Shifting under load?	Yes, the Di2 shifts crisply even when you are pushing hard.
Claimed weight?	Not published by Trek; for reference: 17.79 kg in M for the LX 9 XT.
Race settings?	Firmer high-speed compression to avoid bottoming out.
Is the matte red durable?	A protective film can be fitted in our workshop.

The LVR Cycles verdict

An alloy Fuel LX ready for racing, with a precise electronic drivetrain and consistent suspension. The sienna red and its copper flecks stand out on the start line.

Pros
+ Di2 shifts under load
+ Consistent DHX2 coil
+ Copper red

Cons
- Weight not published
- Battery to charge before racing

Why buy from LVR Cycles? As a Trek dealer in Béziers, we prepare your Fuel LX for racing: Di2 configuration, suspension and brakes.

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-5349035

Data sheet