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Carbon full-suspension electric mountain bike Trek Fuel+ LX 9.8 Eagle 90 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, ZEB, 160/170 mm

€8,699.00 Incl. Tax

Color

Black and blue

Size

Size charts

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Trek Fuel+ LX 9.8 Eagle 90 Navy Smoke: the RockShox Ultimate version

With its 170 mm RockShox ZEB Ultimate fork and 160 mm Vivid Ultimate shock, this Trek Fuel+ LX 9.8 Eagle 90 is the RockShox version of Trek's lightweight enduro e-MTB, powered by a TQ HPR60 and a 580 Wh battery. Trek has not published a weight for this version; the Fox version, with the same carbon frame and TQ drive system, serves as a benchmark at 20.88 kg in size M. Under the name Gloss Navy Smoke/Matte Trek Black, Trek combines a lacquered smoky navy with a non-reflective black.

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	RockShox ZEB Ultimate Charger 3.2 RC2 with ButterCups, 170 mm / RockShox Vivid Ultimate 205 x 65 mm, 160 mm
Drivetrain	Mechanical SRAM Eagle 90 T-Type 1x12, 165 mm cranks, 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 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	Weight not published by Trek for this version; benchmark: Fuel+ LX 9.8 Eagle 90 with Fox suspension (identical carbon frame and TQ drive system), 20.88 kg in size M

At a glance

✓ OCLV Mountain frame, adjustable head angle	✓ TQ HPR60 60 Nm, 580 Wh
✓ RockShox ZEB and Vivid Ultimate	✓ 160 / 170 mm travel
✓ Eagle 90 T-Type, Maven brakes	✓ Weight not published (benchmark 20.88 kg)

Who is it for?

For the mountain biker who rides mostly on dry, rough terrain, where small vibrations tire the hands long before the big hits. It is also aimed at the rider who likes to fine-tune compression settings and wants a very stiff fork to hold the line on off-camber sections.

The LVR workshop view

OCLV carbon, Trek's signature. OCLV is Trek's in-house method: carbon layers pressed at high temperature to produce a dense laminate with no micro-voids. The Mountain version, reserved for mountain bikes, prioritises impact resistance over gram-shaving, a logical choice when the motor and battery add weight. This Fuel+ LX uses exactly the same frame as the Fox-equipped version, with adjustable head angle and progression, under the Trek lifetime warranty.

	OCLV Mountain (Fuel+ 9.7 to 9.9)	Alpha NEXT Platinum (Fuel+ EX 8)	Road OCLV (Madone, Domane)
Level	Mountain bike version of OCLV carbon	The pinnacle of Alpha aluminium	OCLV 500 to 900 on the road
Construction	Hot compaction, reinforced impact zones	Hydroforming, variable wall thicknesses	Hot compaction, weight is the priority
Reference bike	Fuel+ EX 9.8 XT: 20.10 kg (M)	Fuel+ EX 8: 21.08 kg (M)	not applicable
What it means	Lighter frame, lifetime warranty	Cheaper, 0.98 kg heavier	Road use only

Put simply: this version replaces the Fox 38 and DHX2 shock with a RockShox ZEB Ultimate fork and Vivid Ultimate shock, without changing the 160 / 170 mm travel. Trek does not publish its weight; the Fox version, with the same frame and motor, serves as the benchmark at 20.88 kg in M.

The ZEB Ultimate gets RockShox ButterCups, elastomer elements that filter out high-frequency vibrations before they reach the handlebar. On the rocky garrigue around Béziers, where the ground is a carpet of small stones, this filtering reduces forearm pump at the end of a descent. The Charger 3.2 RC2 damper separates high- and low-speed compression.

The TQ motor, 250 W nominal and cutting out at 25 km/h as the European standard requires, fades into the background: very little noise, progressive power delivery and a compact package around the bottom bracket. You keep a bike that is easy to lift and place, while getting a real helping hand on the long climbs back up.

Which Fuel+ should you choose?

Model	Motor / battery	Rear / front travel	Drivetrain	Weight (M)
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
Fuel+ LX 9.8 Eagle 90 (RockShox)	TQ HPR60 / 580 Wh	160 / 170 mm	SRAM Eagle 90	not disclosed
Fuel+ LX 9.8 XT	TQ HPR60 / 580 Wh	160 / 170 mm	Shimano XT	not disclosed

Our take: with identical travel, the choice between this RockShox version and the Fox version comes down to suspension feel, not numbers. Compared with the Fuel+ MX 9.8 XT Di2 (19.79 kg in M), the LX adds 10 mm front and rear.

LVR sizing advice

Torn between two sizes? Take the smaller one if you like jumping and tight, technical riding, the larger one if stability at high speed is your priority. From S to XXL, the Line Dropper goes from 150 to 200 mm of travel.

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

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

Your questions

What are ButterCups?	Elastomer dampers in the fork that reduce fine vibrations.
RockShox or Fox, which to choose?	The travel is the same; it is a matter of feel and adjustment.
What does it weigh?	Trek does not publish it; the Fox version of the same bike weighs 20.88 kg in M.
Is the blue very dark?	It is a glossy smoky navy that contrasts with the matt black.

The LVR Cycles verdict

The Fuel+ LX for dry, chattery terrain, with a ZEB Ultimate that filters out the rubble and a highly adjustable Vivid shock. The glossy navy over matt black gives it an understated, polished look.

Pros
+ ZEB Ultimate with ButterCups
+ Adjustable Charger 3.2 RC2 damper
+ Available from S to XXL

Cons
- Weight not published by Trek
- Aluminium handlebar on this version

Why buy from LVR Cycles? As a Trek dealer in Béziers, we set up the ZEB and Vivid for your weight, service your RockShox suspension and update the TQ motor at every service.

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-5351993

Data sheet