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

Aluminium full-suspension mountain bike Trek Fuel MX 9 XT Di2 Sedona red: shifts under load, 150/160 mm

CHF5,488.37 Incl. Tax

Color

Rouge et Orange

Size

Size charts

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Trek Fuel MX 9 XT Di2 Sedona Red: shifting gear mid-climb

On a steep climb, shifting under load is often tricky: the Trek Fuel MX 9 XT Di2 Gen 7 hands this task to the electronic Shimano XT Di2 drivetrain, paired with a 10-51 cassette and Fox Factory suspension with 150 mm at the rear and 160 mm up front. Its weight is not published by Trek; for reference: 16.91 kg in M for the Fuel MX 9 XT with the same Alpha NEXT Platinum aluminium frame. The Matte Sedona Red/Pennyflake Splatter shade is a matte ochre red with copper flecks.

Technical specifications

Frame	Alpha NEXT Platinum aluminium, integrated storage, adjustable progression, interchangeable rocker and lower shock mount, ABP, threaded BSA 73 bottom bracket, ISCG 05
Suspension	Fox Factory 36 GRIP X2 fork, 160 mm / Fox Factory Float X 205x60 mm shock, 150 mm at the rear
Drivetrain	Electronic Shimano XT Di2 1x12, M8250 long-cage derailleur, M8200 30T crankset (165 or 170 mm depending on size), M8200 10-51 cassette
Brakes	Shimano XT M8220 4-piston hydraulic, RT86 rotors, 203 mm front and 180 mm rear
Wheels / tyres	Bontrager Line Comp 30 / Maxxis Assegai MaxxGrip 29x2.5 front, Minion DHR II MaxxTerra 27.5x2.5 rear, EXO+, Tubeless Ready
Cockpit	Race Face Turbine alloy 35 mm handlebar (40 mm rise), Bontrager Elite 45 mm stem, Trek Line Elite grips
Saddle / seatpost	Verse Short Comp 145 mm / Bontrager Line Dropper 34.9 mm dropper post (150 to 200 mm travel depending on size)
Weight	weight not published by Trek for this version; for reference: Fuel MX 9 XT (identical alloy frame) 16.91 kg in a size M

At a glance

✓ Alpha NEXT Platinum alloy	✓ Electronic Shimano XT Di2
✓ Fox Factory 36 and Float X	✓ 203 / 180 mm rotors
✓ 29 front, 27.5 rear wheels	✓ Reference: 16.91 kg (MX 9 XT, M)

Who is it for?

For the mountain biker who loves climbing as much as descending and wants crisp shifts on steep ramps. It will suit the rider who links the technical climbs of the Montagne Noire with the descents that follow.

The LVR workshop view

The frame: Alpha NEXT Platinum, Trek's cutting-edge alloy. Above the Alpha Silver of the Marlin and Alpha Platinum, Alpha NEXT Platinum is reserved for the Gen 7 Fuel. No weight is published for this Di2 version; for scale, Trek gives 4.95 kg for the alloy Gen 7 Fuel EX frameset and 3.31 kg for its carbon equivalent.

	Alpha NEXT Platinum (Fuel 9)	OCLV Mountain (Fuel 9.8 / 9.9)	Alpha Platinum (Slash 8)
Level	Trek's best aluminium	Trek's mountain bike carbon	High-end alloy, one step below NEXT
Designed to	Take knocks at a sensible cost	Save weight, resist impacts	Aluminium enduro frames
Gen 7 Fuel EX frameset (M)	4.95 kg	3.31 kg	not applicable
What it means	Heavier, but unbothered by small knocks	1.64 kg less on the frameset	Previous aluminium generation

Put simply: the budget here goes into the electronic drivetrain rather than the frame, which makes sense if you climb a lot.

With an electronic drivetrain, the derailleur executes each shift identically every time, even when you are pedalling hard. That means less anticipation and keeping your momentum on steep climbs and accelerations.

The 10-51 cassette and 30-tooth chainring offer a very low gear for the steepest ramps. The Line Dropper post drops at the top to clear the way for the descent, and the XT brakes with a 203 mm front rotor take care of the rest.

Which Fuel should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Fuel EX 9 XT Di2	Alpha NEXT Platinum alloy	145 / 150 mm	Shimano XT Di2 1x12	16.88 kg
Fuel MX 9 XT	Alpha NEXT Platinum alloy	150 / 160 mm	Shimano XT 1x12	16.91 kg
Fuel MX 9 XT Di2	Alpha NEXT Platinum alloy	150 / 160 mm	Shimano XT Di2 1x12	not published
Fuel LX 9 XT	Alpha NEXT Platinum alloy	160 / 170 mm	Shimano XT 1x12	17.79 kg

Our take: the MX 9 XT Di2 is the choice for riders who climb often: Di2 precision on the climbs makes the difference compared with the MX 9 XT (16.91 kg). The Fuel LX 9 XT (17.79 kg) is heavier and more descent-oriented.

LVR sizing advice

If you are on the borderline between two sizes, the shorter one favours agility on twisty trails, the longer one composure on fast descents. Cranks of 165 or 170 mm and a dropper with 150 to 200 mm of travel depending on size.

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 of travel)	150	170	200	200

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

Your questions

Shifting under force?	Di2 handles shifts under load well, but easing off slightly is still preferable.
Low enough for steep ramps?	Yes, the 30x51 lets you climb very steep slopes.
Are the electronics reliable?	Yes, Shimano designs Di2 for demanding mountain bike use.
Is the matt red fragile?	It needs gentle cleaning, with no polishing products.

The LVR Cycles verdict

The ideal Fuel MX for climbers who also want to have fun on the descents, thanks to the precision of Di2. Its matte ochre red with copper flecks gives it an assertive character.

Pros
+ Precise shifting on climbs
+ Very low gearing
+ Original matte ochre red

Cons
- Weight not published by Trek
- Battery to recharge

Why buy from LVR Cycles? Our Béziers workshop configures your XT Di2, sets up the dropper post and suspension, and supports you with maintenance.

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-5349148

Data sheet