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Carbon full-suspension electric mountain bike Trek Fuel+ MX 9.8 Eagle 90 carbon smoke/lithium grey marble 12-speed

Carbon full-suspension electric mountain bike Trek Fuel+ MX 9.8 Eagle 90 grey: TQ HPR60 580 Wh, 150/170 mm

CHF7,768.61 Incl. Tax

Color

Gris/Gris (foncé)

Size

Size charts

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Trek Fuel+ MX 9.8 Eagle 90 Carbon Smoke: brake hard, descend for longer

For long descents, the Trek Fuel+ MX 9.8 Eagle 90 relies on four-piston SRAM Maven Bronze brakes, 200 mm HS2 rotors and a 2.5-inch Maxxis Assegai MaxxGrip front tyre, on an OCLV Mountain carbon frame suspended by RockShox (170 mm up front, 150 mm at the rear). The TQ HPR60 motor and 580 Wh battery take care of the climb back up. Trek has not published a weight for this version; the 9.8 XT Di2, with an identical frame and motor, serves as a benchmark at 19.79 kg in size M. The Carbon Smoke/Lithium Grey Marble pairs a smoky anthracite grey with 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	RockShox ZEB Ultimate Charger 3.2 RC2 with ButterCups 170 mm / RockShox Vivid Ultimate 205 x 65 mm, 150 mm
Drivetrain	Mechanical SRAM Eagle 90 T-Type 1x12, XS-1275 10-52 cassette, GX Eagle T-Type chain, SRAM XX 165 mm cranks
Brakes	SRAM Maven Bronze 4-piston hydraulic, SRAM HS2 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 MaxxTerra EXO+ (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, adjustable head angle	✓ TQ HPR60 60 Nm, 580 Wh
✓ RockShox ZEB Ultimate 170 mm	✓ Vivid Ultimate shock
✓ SRAM Eagle 90 T-Type 10-52	✓ Weight not published (benchmark 19.79 kg)

Who is it for?

For the mountain biker who rides in the mountains and links big descents, where braking and grip matter more than a few grams. It is aimed at the rider who wants a confidence-inspiring bike on the slopes of the Caroux and the Espinouse, without moving to a heavy enduro e-MTB.

The LVR workshop view

OCLV carbon, Trek's signature. With OCLV, Trek puts its fibres through a cycle of pressure and heat that leaves almost no porosity in the composite, a guarantee of long-term strength. Its Mountain version is designed for brutal use: hard impacts, flying stones and crashes. On the Fuel+ MX 9.8 Eagle 90, the gateway to the MX series, you get exactly the same carbon frame, its removable battery housing and the Trek lifetime warranty.

	Fuel+ (TQ HPR60)	Fuel EXe (TQ HPR50)	Rail+ (Bosch CX)
Torque	60 Nm	50 Nm	Bosch Performance Line CX
Battery	580 Wh, removable	360 Wh	800 Wh
Comparison weight (M)	19.79 kg (MX 9.8 XT Di2)	19.33 kg (EXe 9.7)	23.73 kg (Rail+ 9.7)
What you gain	Lively bike, enough assist for all-mountain	Lightness, less reserve	Maximum reserve, more inertia

Put simply: the 9.8 Eagle 90 spends its budget on RockShox Ultimate suspension, a 170 mm ZEB fork and Vivid shock, and keeps a mechanical SRAM drivetrain that is simple to maintain. To gauge its unpublished weight, refer to the Fuel+ MX 9.8 XT Di2 with an identical frame and motor: 19.79 kg in M.

The four-piston Maven Bronze brakes deliver high power that stays available on descents that go on and on. We check the bleed at the start of the season, as the summer heat around Béziers puts brake fluid to the test, and inspect pad wear at every service.

The front Assegai in MaxxGrip compound bites in the turns, while the rear Minion DHR II gets an EXO+ casing in MaxxTerra compound on this version, rolling faster on the link sections. The motor, like that of any European e-bike, stops assisting above 25 km/h and stays limited to 250 W nominal.

Which Fuel+ should you choose?

Model	Motor / battery	Rear / front travel	Drivetrain	Weight (M)
Fuel+ EX 9.8 Eagle 90	TQ HPR60, 580 Wh	145 / 150 mm	SRAM Eagle 90 T-Type	20.38 kg
Fuel+ MX 9.8 Eagle 90	TQ HPR60, 580 Wh	150 / 170 mm	SRAM Eagle 90 T-Type	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 Eagle 90	TQ HPR60, 580 Wh	160 / 170 mm	SRAM Eagle 90 T-Type	20.88 kg

Our take: compared with the Fuel+ MX 9.8 XT and XT Di2, the 9.8 Eagle 90 moves to a 170 mm fork instead of 160 mm and to SRAM brakes instead of Shimano. The Fuel+ LX 9.8 Eagle 90 (160 / 170 mm, 20.88 kg in M) goes further towards enduro.

LVR sizing advice

On the cusp of two sizes, choose the smaller one if you like to place the bike and jump, the larger one if you mostly ride fast on steep ground. All sizes get the 27.5-inch rear wheel, and the Line Dropper grows from 150 to 200 mm with the frame.

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

Are 200 mm rotors enough?	Yes for all-mountain; with four pistons, they hold up on long descents.
Why two different compounds?	MaxxGrip up front for grip, MaxxTerra at the rear for better rolling.
Tubeless out of the box?	The tyres are Tubeless Ready; we fit them without inner tubes, with sealant.
Is this grey timeless?	Yes, the marbled smoky grey ages well and goes with any kit.

The LVR Cycles verdict

A Fuel+ MX designed for descending with confidence, with powerful Maven braking and well-chosen Maxxis tyres. The smoky grey marbled with lithium grey dresses this carbon frame in understated style.

Pros
+ Maven 4-piston brakes and 200 mm rotors
+ Assegai MaxxGrip front tyre
+ Timeless marbled grey

Cons
- Weight not published
- Maven Bronze less adjustable than the Silver

Why buy from LVR Cycles? In Béziers, we bleed your Maven brakes, fit your tyres tubeless and set up the suspension of your Fuel+ MX for your descents.

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-5352755

Data sheet