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Designed to keep the feel of a conventional enduro bike, the Trek Fuel+ LX 9.8 XT integrates a compact 60 Nm TQ HPR60 motor and a removable 580 Wh battery into an OCLV Mountain carbon frame. It keeps 160 / 170 mm of Fox Factory travel and a 12-speed Shimano XT drivetrain. Trek specifies: weight not published by Trek for this version; the closest benchmark is the Fuel+ LX 9.8 Eagle 90 at 20.88 kg in size M. The Carbon Smoke/Lithium Grey Marble layers a smoky grey with lithium grey marbling.
| 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 Shimano XT 1x12, M8200 long-cage derailleur, XT M8200 10-51 cassette, XT M8100 chain |
| Brakes | Shimano XT M8220 4-piston hydraulic, RT-6B750 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 (identical carbon frame and TQ drive system), 20.88 kg in size M |
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At a glance
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For the enduro rider who still rides without assist and is hesitant to take the plunge, for fear of losing their bike's agility. It will also suit anyone who lives in a flat and has to charge the battery indoors.
OCLV carbon, Trek's signature. Trek builds its OCLV frames by layering fibre plies compacted under pressure, which eliminates air bubbles and gives a uniform material. For off-road use, the OCLV Mountain recipe reinforces the exposed areas; on the Fuel+, it also integrates the housing for a removable TQ battery and protection under the down tube. The result: an electric enduro frame with a reasonable weight, covered by the brand's lifetime warranty.
| OCLV Mountain (Fuel+ 9.7 to 9.9) | Alpha NEXT Platinum (Fuel+ EX 8) | Road OCLV (Madone, Domane) | |
| Level | Mountain bike carbon, Trek's top tier | Trek's best mountain bike aluminium | Road carbon |
| Construction | Compacted plies, impact reinforcements | Tubes formed under pressure | Compacted plies, weight saving |
| Reference bike | Fuel+ EX 9.8 XT: 20.10 kg (M) | Fuel+ EX 8: 21.08 kg (M) | not for mountain biking |
| What it means | Almost a kilo saved | Tough but heavier | Unsuitable for trails |
Put simply: the 9.8 XT combines Fox Factory suspension, with a coil shock at the rear, a mechanical Shimano XT 10-51 drivetrain and XT brakes on 200 mm rotors. Trek does not publish a weight for this version; the Fuel+ LX 9.8 Eagle 90, with the same frame and TQ motor, is quoted at 20.88 kg in M.
The TQ HPR60 sits around the bottom bracket without the bulk of a high-power motor: the bike keeps a slim profile and a weight distribution close to that of a non-assisted enduro bike. As a result, it lifts and places itself through the tight turns of the Espinouse with surprising ease for an e-MTB.
The 580 Wh battery comes out of the frame: you charge it at home and store it somewhere mild over the winter, which preserves its lifespan. Remember that the assist, 250 W nominal, legally cuts out at 25 km/h: beyond that, it is your legs and the bike's efficiency that count.
| 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+ LX 9.8 Eagle 90 (Fox) | TQ HPR60 / 580 Wh | 160 / 170 mm | SRAM Eagle 90 | 20.88 kg |
| Fuel+ LX 9.8 XT | TQ HPR60 / 580 Wh | 160 / 170 mm | Shimano XT | not disclosed |
| Fuel+ LX 9.8 XT Di2 | TQ HPR60 / 580 Wh | 160 / 170 mm | Shimano XT Di2 | not disclosed |
Our take: if you are coming from the non-assisted Fuel LX, this Fuel+ LX 9.8 XT keeps the same 160 / 170 mm travel and the same enduro philosophy. The family's benchmark weight is 20.88 kg in M; the Fuel+ EX 9.8 XT, with less travel, is quoted at 20.10 kg.
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LVR sizing advice If you are on the cusp of two sizes, the smaller one favours agility in bermed corners, the larger one stability on fast descents. The dropper post gets longer with the frame, up to 200 mm from size L.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Can you hear the motor? | Very little: the TQ HPR60 is known for being discreet. |
| Can you ride with the motor off? | Yes, the bike can still be pedalled, it is simply heavier than a conventional mountain bike. |
| Where can the battery be charged? | On the bike or separately, since the TQ 580 Wh is removable. |
| Is the marbled grey understated? | Yes, a sober smoky grey brought to life by light grey veins. |
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The LVR Cycles verdict The ideal Fuel+ LX for discovering assisted enduro without giving up the liveliness of a non-assisted bike. The marbled smoky grey underlines its discreet character.
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Why buy from LVR Cycles? As a Trek dealer in Béziers, we help you make the move to an e-MTB: TQ assist setup, charging and storage advice, and full suspension servicing.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
Data sheet
Specific References
Carbon full-suspension electric mountain bike Trek Fuel+ LX 9.8 XT: TQ HPR60 removable 580 Wh, 160/170 mm
