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Carbon full-suspension electric mountain bike Trek Fuel+ LX 9.8 Eagle 90 Fox gloss navy smoke/matte trek black 12-speed

Carbon full-suspension electric mountain bike Trek Fuel+ LX 9.8 Eagle 90: TQ HPR60 580 Wh, Fox coil, 20.88 kg

$8,941.09 Incl. Tax

~~$9,699.29~~ MSRP

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Color

Black and blue

Size

Size charts

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Trek Fuel+ LX 9.8 Eagle 90 Navy Smoke: the electric enduro bike that stays light

The Trek Fuel+ LX 9.8 Eagle 90 is the enduro version of the Gen 2 Fuel+: OCLV Mountain carbon frame, 60 Nm TQ HPR60 motor and removable 580 Wh battery, with 160 mm of travel at the rear and 170 mm at the front. In this configuration with Fox Factory 38 and coil-sprung DHX2 suspension, it weighs 20.88 kg in size M according to Trek. Its Gloss Navy Smoke/Matte Trek Black colourway dresses the frame in a lacquered smoky midnight blue, set off by matt black surfaces.

Technical specifications

Frame	OCLV Mountain carbon, removable battery, adjustable head angle, adjustable progression, interchangeable lower shock mount, guided internal routing, down tube protection, 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 with Bluetooth and connectivity
Suspension	Fox Factory 38 Float EVOL GRIP X2 170 mm / coil-sprung Fox DHX2 205 x 65 mm, 160 mm
Drivetrain	Mechanical SRAM Eagle 90 T-Type 1x12, XS-1275 10-52 cassette, GX Eagle chain
Brakes	SRAM Maven Bronze 4-piston hydraulic, HS2 200 mm rotors
Wheels / tyres	Bontrager Line Comp 30 / Maxxis Assegai MaxxGrip (front) and Minion DHR II MaxxTerra (rear), 29 x 2.5, EXO+, Tubeless Ready
Cockpit	Race Face ERA carbon 800 mm handlebar, 27.5 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	20.88 kg in size M (Trek figure, with tubeless sealant, no inner tubes)

At a glance

✓ OCLV Mountain carbon	✓ TQ HPR60 motor, 580 Wh battery
✓ Fox 38 and coil-sprung DHX2	✓ 160 mm rear, 170 mm front
✓ SRAM Eagle 90 10-52	✓ 20.88 kg in size M

Who is it for?

For the mountain biker who rides enduro for whole days and wants to climb back up under leg power, helped just as much as needed, rather than lugging a high-powered e-MTB around. It is also aimed at anyone who strings together several descents per ride.

The LVR workshop view

OCLV carbon, Trek's signature. Thirty years of know-how sum up OCLV: a stack of pre-impregnated fibres, cured and pressed in the mould until not a single air bubble remains. On an electric enduro bike, the OCLV Mountain version really comes into its own: its lay-up is designed to withstand flying stones and landings, with a heavier load on board than a non-assisted mountain bike. On the Fuel+ LX, it also houses a 580 Wh TQ battery that comes out without any complicated tools, and Trek covers it with a lifetime warranty.

	OCLV Mountain (Fuel+ 9.7 to 9.9)	Alpha NEXT Platinum (Fuel+ EX 8)	Road OCLV (Madone, Domane)
Level	Trek's off-road carbon	Most advanced mountain bike aluminium	Road bike carbon
Construction	Lay-up reinforced against impacts	Hydroformed tubes	Lay-up focused on lightness
Reference bike	Fuel+ EX 9.8 XT: 20.10 kg (M)	Fuel+ EX 8: 21.08 kg (M)	not applicable to mountain bikes
What it means	0.98 kg lighter for the same travel	Tough, a little heavier	Not designed for impacts

Put simply: this Fox-suspended Fuel+ LX 9.8 Eagle 90 is the only Fuel+ LX for which Trek publishes a weight, 20.88 kg in size M. That is 780 g more than the Fuel+ EX 9.8 XT (20.10 kg), in exchange for 15 mm of extra travel at the rear, 20 mm at the front and a coil shock.

The coil-sprung Fox DHX2 shock is the choice of riders who prioritise sensitivity: it responds to the smallest bumps and stays consistent even on long descents. In the rock gardens of the Caroux, where impacts come thick and fast, that consistency translates into a rear wheel that stays glued to the ground.

On the drive side, the TQ HPR60 delivers 60 Nm of torque and peaks at 350 W, for 250 W rated; like any European e-bike, its assist stops at 25 km/h. Discreet and compact, it keeps the handling close to that of a conventional mountain bike, and the 580 Wh battery comes out of the frame for charging at home.

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	Shimano XT	20.10 kg
Fuel+ MX 9.8 XT Di2	TQ HPR60 / 580 Wh	150 / 160 mm	Shimano XT Di2	19.79 kg
Fuel+ LX 9.8 Eagle 90 (Fox)	TQ HPR60 / 580 Wh	160 / 170 mm	SRAM Eagle 90	20.88 kg
Slash+ 9.9 (mixed 29 / 27.5)	TQ HPR60 / 580 Wh	170 mm fork	SRAM X0 AXS	21.83 kg

Our take: at 20.88 kg in M, this Fuel+ LX weighs 1.09 kg more than the Fuel+ MX 9.8 XT Di2 (19.79 kg), for 10 mm more travel at each wheel and a coil shock. The Slash+ 9.9, another TQ enduro bike, goes up to 21.83 kg in M with a 27.5 inch rear wheel.

LVR sizing advice

If you are between sizes, the shorter one makes the Fuel+ LX easier to place in hairpins, the longer one more stable when charging through rock gardens. The Line Dropper post follows the frame: 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

What does this Fuel+ LX weigh?	20.88 kg in size M according to Trek, with tubeless sealant and no inner tubes.
Why a coil spring at the rear?	The coil-sprung DHX2 brings sensitivity and consistency on long, rough descents.
Does the battery come out?	Yes, the TQ 580 Wh is removable: it can be charged off the bike.
Does the navy blue look dark?	In the shade it looks almost black; in the sun, the smoky blue really comes through.

The LVR Cycles verdict

An enduro e-MTB that relies on the lightness and discretion of the TQ HPR60 rather than raw power, with first-rate coil-sprung Fox suspension. The smoky navy blue on matt black suits it perfectly.

Pros
+ 20.88 kg in M for 160 / 170 mm
+ Fox 38 GRIP X2 and coil-sprung DHX2
+ Elegant, understated navy shade

Cons
- Less powerful motor than a Bosch CX
- Line Comp 30 aluminium wheels

Why buy from LVR Cycles? As a Trek retailer in Béziers, we choose the right DHX2 spring rate with you for your weight, set up the Fox 38 and handle TQ motor updates.

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-5341001

Data sheet