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The Trek Fuel+ LX 9.8 XT gets a 170 mm Fox Factory 38 fork with GRIP X2 damper and a 160 mm coil-sprung Fox DHX2 shock, on an OCLV Mountain carbon frame with adjustable progression. TQ HPR60 motor, 580 Wh battery and Shimano XT complete the package. On the scales, weight not published by Trek for this version; benchmark: Fuel+ LX 9.8 Eagle 90, 20.88 kg in size M. The Lichen Green/Keswick Green Splatter splashes deep green across a pale lichen green.
| 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 mountain biker who is demanding about how their suspension behaves, and wants a bike that can be endlessly adjusted to the terrain and their style. It is also aimed at light or heavy riders, for whom a spring matched to their weight makes all the difference.
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 GRIP X2 damper separates compression and rebound at high and low speed: the fork can stay high in the turns while still absorbing sharp hits. The frame's adjustable progression completes the setup, more progressive for jumps, more linear for the rough trails of the Caroux.
The DHX2 coil spring is chosen according to your riding weight with kit: that is the condition for the 160 mm to work properly. The motor, 250 W nominal and cutting out at the regulatory 25 km/h, does not weigh down the rear, and the bike stays balanced as the suspension compresses.
| 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: the Fox Factory suspension is common to the 9.8 XT and the 9.8 XT Di2; only the derailleur separates them. Compared with the Fuel+ MX 9.8 XT Di2 (150 / 160 mm, 19.79 kg in M), the LX offers 10 mm more at each end and a coil shock at the rear.
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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. |
| What can you adjust on the GRIP X2? | Compression and rebound, each at high and low speed. |
| Does the spring need changing? | Often yes, depending on your riding weight with kit; we choose it with you. |
| And the adjustable progression? | It changes how much the suspension firms up at the end of its stroke; adjusted in the workshop. |
| Is the green flashy? | More natural: dark green specks on a pale lichen green. |
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The LVR Cycles verdict The Fuel+ LX for setup enthusiasts, with a Fox 38 GRIP X2 and coil-sprung DHX2 that adapt to every rider. Its speckled lichen green gives it a woodland feel.
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Why buy from LVR Cycles? In Béziers, we select the DHX2 spring to suit your weight, establish a base GRIP X2 setting and service your Fox suspension.
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 580 Wh, GRIP X2, DHX2, 160/170 mm
