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The Trek Fuel+ EX 9.8 XT Gen 2 combines a 150 mm Fox Factory 36 GRIP X2 fork, a 145 mm Fox Factory Float X shock, the TQ HPR60 motor and a 580 Wh battery on an OCLV Mountain carbon frame. The cable-operated Shimano XT drivetrain has 12 speeds, for 20.10 kg in size M according to Trek. The Gloss Navy Smoke/Matte Trek Black pairs a deep, lightly smoked, lacquered blue with a non-reflective black.
| Frame | OCLV Mountain carbon, removable battery, adjustable head angle, adjustable progression, interchangeable alloy rocker links and lower shock mount, 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 |
| Suspension | Fox Factory 36 GRIP X2, Float EVOL, 150 mm / Fox Factory Float X, 205 x 60 mm, 145 mm |
| Drivetrain | Mechanical Shimano XT 1x12, M8200 long-cage derailleur, XT M8200 10-51 cassette |
| Brakes | Shimano XT M8220 4-piston hydraulic, RT-6B750 200 mm rotors |
| Wheels / tyres | Bontrager Line Comp 30 / Maxxis Minion DHF MaxxGrip (front) and DHR II MaxxTerra (rear) 2.5 in, EXO+, Tubeless Ready, 27.5 rear in size S |
| 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 | 20.10 kg in size M (Trek figure, with tubeless sealant, no inner tubes) |
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At a glance
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For the mountain biker who likes to fine-tune their setup and understand what their suspension is doing, and who wants a high-performance base to progress technically on the local trails.
OCLV carbon, Trek's signature. Trek moulds its OCLV frames by compressing the fibre plies under heat and pressure, leaving no voids. Its Mountain variant was developed for the stresses of off-road riding: flying stones, landings and crashes. This Fuel+ EX 9.8 XT uses it to house the motor and removable battery in a slim silhouette, backed by the Trek lifetime warranty.
| Carbon Fuel+ EX (9.7 to 9.9) | Aluminium Fuel+ EX 8 | Fuel EXe (previous generation) | |
| Level | Trek off-road carbon | Trek's most advanced alloy | First-generation lightweight e-MTB |
| Construction | OCLV Mountain | Hydroformed Alpha NEXT Platinum | TQ HPR50, 360 Wh battery |
| Reference bike | Fuel+ EX 9.8 XT: 20.10 kg (M) | Fuel+ EX 8: 21.68 kg (M) | Fuel EXe 9.7: 19.33 kg (M) |
| What it means | Fox Factory and XT on carbon | Heavier frame | Less torque and energy |
Put simply: the 9.8 XT combines Fox Factory and mechanical Shimano XT on the carbon frame, for 20.10 kg in M. It is the benchmark weight for high-end carbon Fuel+ EX models.
The GRIP X2 damper in the Fox 36 offers four independent adjustments: compression and rebound, each at high and low speed. This lets you keep the fork riding high under heavy braking without it turning harsh on fast hits, a clear advantage in the rock gardens of the Montagne Noire.
The Float X with its piggyback reservoir dissipates heat better than a compact shock on long descents, and stays consistent all the way to the bottom. We hand the bike over with a recorded base setup, and the TQ assist, capped at 25 km/h, is updated in the workshop.
| Model | Frame | Motor / battery | Rear / front travel | Weight (M) |
| Fuel+ EX 9.8 Eagle 90 | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 145 / 150 mm | 20.38 kg |
| Fuel+ EX 9.8 XT | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 145 / 150 mm | 20.10 kg |
| Fuel+ EX 9.8 XT Di2 | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 145 / 150 mm | not disclosed |
| Fuel+ MX 9.8 XT Di2 | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 150 / 160 mm | 19.79 kg |
Our take: at 20.10 kg in M, the 9.8 XT is 280 g lighter than the RockShox-equipped 9.8 Eagle 90. If you are torn between Fox and RockShox, the choice will mainly come down to feel and adjustment.
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LVR sizing advice If you are between two sizes, the shorter one makes the bike more agile on twisting singletrack, the longer one more composed in fast rock gardens. Dropper travel follows the size and the S runs a 29 / 27.5 setup.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| What can you adjust on the GRIP X2? | Compression and rebound, at high and low speed; we give you a base setting. |
| Fox or RockShox? | Two excellent options; the Fox on the 9.8 XT is highly adjustable. |
| Can the motor be updated? | Yes, we carry out TQ diagnostics and updates in the workshop. |
| Is the navy flashy? | No, it stays understated, especially paired with matt black. |
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The LVR Cycles verdict The most adjustable carbon Fuel+ EX, with first-rate Fox Factory suspension and a reliable XT drivetrain. The smoky navy and matt black give it a discreet, premium look.
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Why buy from LVR Cycles? In Béziers, we set up your Fox Factory suspension for your weight and riding style, then look after its servicing and that of the TQ motor.
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