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Carbon full-suspension electric mountain bike Trek Fuel+ MX 9.8 XT carbon smoke/lithium grey marble 12-speed

Carbon full-suspension electric mountain bike Trek Fuel+ MX 9.8 XT grey: mixed 29/27.5, TQ HPR60 580 Wh, 150/160 mm

€8,499.00 Incl. Tax

Color

Gris/Gris (foncé)

Size

Size charts

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Trek Fuel+ MX 9.8 XT Carbon Smoke: a mullet e-MTB built for fun

29-inch wheel up front, 27.5 at the rear: the Trek Fuel+ MX 9.8 XT uses a mixed-wheel setup in every size, on an OCLV Mountain carbon frame with adjustable head angle and progression. The TQ HPR60 motor and its 580 Wh battery power a chassis suspended by Fox Factory, 160 mm up front and 150 mm at the rear. Trek has not published a weight for this version; the 9.8 XT Di2 with the identical frame weighs 19.79 kg in size M. The Carbon Smoke/Lithium Grey Marble blends a smoky anthracite grey with lighter lithium grey marbling.

Technical specifications

Frame	OCLV Mountain carbon, removable battery, adjustable head angle and progression, ABP, UDH, Boost
Motor	TQ HPR60: 60 Nm, 250 W continuous, 350 W peak
Battery	TQ 580 Wh, removable
Controls / display	TQ colour LED display, Bluetooth and connectivity
Suspension	Fox Factory 36 Float EVOL GRIP X2 160 mm / Fox Factory Float X 205 x 60 mm, 150 mm
Drivetrain	Mechanical Shimano XT 1x12, M8200 long-cage derailleur, XT M8200 10-51 cassette, XT M8100 chain
Brakes	Shimano XT M8220 4-piston hydraulic, Shimano 200 mm rotors
Wheels / tyres	Bontrager Line Comp 30 aluminium, mixed wheel setup / Maxxis Assegai 29 x 2.5 MaxxGrip EXO+ (front) and Minion DHR II 27.5 x 2.5 MaxxGrip Double Down (rear), 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 150 to 200 mm depending on size
Weight	Not published by Trek for this version; benchmark MX 9.8 XT Di2 (same frame, same motor): 19.79 kg in M

At a glance

✓ OCLV Mountain carbon, removable battery	✓ TQ HPR60 60 Nm and 580 Wh battery
✓ 150 mm rear, 160 mm Fox 36 fork	✓ Mechanical Shimano XT 10-51
✓ 29-inch front wheel, 27.5-inch rear	✓ Weight not published (benchmark 19.79 kg)

Who is it for?

For the rider who loves carving tight turns and placing the rear wheel exactly where they want it. It also suits smaller riders who feel hampered by a large rear wheel.

The LVR workshop view

OCLV carbon, Trek's signature. OCLV is the name of Trek's carbon know-how: a moulding process in which pressure and temperature eliminate air trapped between the fibre plies, for a dense wall with no weak points. The Mountain branch of this carbon accepts a few extra grams in exchange for better resistance to rock strikes and crashes. The Fuel+ MX 9.8 XT uses it to create a frame that houses a 580 Wh TQ battery you remove for charging, with a very compact HPR60 motor, and that Trek covers with a lifetime warranty.

	Fuel+ (TQ HPR60)	Fuel EXe (TQ HPR50)	Rail+ (Bosch CX)
Motor torque	60 Nm (350 W peak)	50 Nm	Bosch Performance Line CX
Battery	580 Wh removable	360 Wh	PowerTube 800 Wh
Reference weight (M)	19.79 kg (MX 9.8 XT Di2)	19.33 kg (EXe 9.7)	23.73 kg (Rail+ 9.7)
What it means	Balance between lightness and range	Lighter, less range	More battery, noticeably heavier

Put simply: the Fuel+ MX 9.8 XT keeps the essentials of the MX with electronic shifting, carbon frame, TQ motor and Fox Factory suspension, but goes back to a cable-operated Shimano XT derailleur. With no published weight for this version, the reference remains the 9.8 XT Di2, identical apart from the drivetrain: 19.79 kg in size M.

The 27.5-inch rear wheel shortens the back end of the bike and leaves more room to shift your hips back on steep slopes, while the 29-inch front wheel keeps its easy rollover. In the hairpins of the Montagne Noire, the bike pivots more easily.

The frame offers an adjustable head angle and adjustable progression: you slacken the head angle for steep descents or steepen it for twisting trails. The TQ assist, capped at 25 km/h and 250 W nominal by the European standard, gets the bike back up to speed out of corners.

Which Fuel+ should you choose?

Model	Motor / battery	Rear / front travel	Drivetrain	Weight (M)
Fuel+ EX 9.8 XT	TQ HPR60, 580 Wh	145 / 150 mm	Mechanical Shimano XT	20.10 kg
Fuel+ MX 9.8 XT	TQ HPR60, 580 Wh	150 / 160 mm	Mechanical Shimano XT	not disclosed
Fuel+ MX 9.8 XT Di2	TQ HPR60, 580 Wh	150 / 160 mm	Wireless Shimano XT Di2	19.79 kg
Fuel+ LX 9.8 XT	TQ HPR60, 580 Wh	160 / 170 mm	Mechanical Shimano XT	not disclosed

Our take: the 9.8 XT takes the 9.8 XT Di2 platform (19.79 kg in M) with a cable-operated derailleur. For more travel, the Fuel+ LX 9.8 XT steps up to 160 / 170 mm.

LVR sizing advice

Between two sizes, the smaller one makes the Fuel+ MX livelier through switchbacks, the larger one more composed as speed rises. The dropper post goes from 150 mm in S to 200 mm from L upwards, and all sizes run 29-inch up front and 27.5 at the rear.

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	170	200	200	200
Front / rear wheels (in)	29 / 27.5	29 / 27.5	29 / 27.5	29 / 27.5	29 / 27.5

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

Your questions

What does the 27.5 rear wheel bring?	A shorter back end and more clearance behind the saddle on steep slopes.
Is the head angle easy to adjust?	It requires a little disassembly; we do it in the workshop along with the sag setup.
What does this model weigh?	Weight not published by Trek; the 9.8 XT Di2, on the same platform, weighs 19.79 kg in M.
Does the carbon grey show the dirt?	No, the smoky anthracite grey and its light marbling hide dust and marks well.

The LVR Cycles verdict

A playful all-mountain e-MTB that makes the most of its mixed-wheel setup and adjustable frame to adapt to its rider. The smoky grey marbled with lithium grey gives it a technical, discreet look.

Pros
+ Mixed 29 / 27.5 setup in every size
+ Adjustable head angle and progression
+ Refined marbled grey finish

Cons
- Weight not published for this version
- Adjustments need a methodical approach

Why buy from LVR Cycles? In Béziers, we adjust the head angle and progression of your Fuel+ MX to suit your riding, set sag and rebound and fit the tyres tubeless.

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-5352058

Data sheet