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With its Bontrager Line Pro 30 carbon wheels, four-piston SRAM Maven Silver brakes on 200 mm rotors and 150 mm RockShox Lyrik Ultimate fork, the Trek Fuel+ EX 9.9 X0 AXS Gen 2 is the best-equipped Fuel+ EX. OCLV Mountain carbon frame, TQ HPR60 motor, 580 Wh battery. Trek has not published its weight for this version; the closest benchmark is the 9.8 XT, with the same frame and TQ drive system, at 20.10 kg in size M. The Carbon Smoke/Lithium Grey Marble shade offers a nuanced smoke grey, marbled with lithium grey like polished stone.
| 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; SRAM AXS battery with charger |
| Controls / display | TQ colour LED display with Bluetooth |
| Suspension | RockShox Lyrik Ultimate, DebonAir+ ButterCups, Charger 3.1 RC2, 150 mm / RockShox Super Deluxe Ultimate RC2T, 205 x 60 mm, 145 mm |
| Drivetrain | SRAM X0 Eagle AXS T-Type wireless 1x12, XS-1295 10-52 cassette, X0 Eagle chain |
| Brakes | SRAM Maven Silver 4-piston hydraulic, HS2 200 mm rotors |
| Wheels / tyres | Bontrager Line Pro 30 carbon / 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 ERA carbon 800 mm handlebar, 27.5 mm rise, Race Face Turbine R 40 mm stem |
| Saddle / seatpost | Trek Aeolus Pro carbon rails 145 mm / RockShox Reverb AXS wireless, 150 to 200 mm depending on size |
| Weight | Weight not published by Trek for this version; benchmark: Fuel+ EX 9.8 XT, identical carbon frame and TQ drive system, 20.10 kg in size M |
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At a glance
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For the experienced rider looking for maximum precision on descents who appreciates responsive wheels, able to accelerate quickly and hold their line in rock gardens.
OCLV carbon, Trek's signature. Trek has been pressing and curing its OCLV fibres since 1992; the Mountain version reinforces the areas exposed to rocks. On the 9.9, this frame also gets carbon wheels, handlebar and saddle rails. Trek lifetime warranty.
| Carbon Fuel+ EX (9.7 to 9.9) | Aluminium Fuel+ EX 8 | Fuel EXe (previous generation) | |
| Level | Mountain bike carbon, top of the range | Premium Trek aluminium | Previous TQ platform |
| Construction | OCLV Mountain + carbon components | Alpha NEXT Platinum | HPR50 and 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 | The best equipped, fully wireless | Same motor, heavier frame | Less torque |
Put simply: same frame and same motor as the 9.8 models, with fully wireless SRAM, carbon wheels and RockShox Ultimate. Weight not published by Trek; benchmark 20.10 kg (9.8 XT, M).
Carbon wheels flex less under lateral load: the line you choose is the one the bike follows, even when leaning hard on it. On an e-MTB, heavier than a conventional mountain bike, this stiffness is noticeable in the fast corners around Lake Salagou.
The Maven Silver brakes offer more adjustment than the Bronze and power suited to the weight of an e-bike. We bleed them and set the lever reach to your hand. The TQ motor's assist cuts out at 25 km/h, as regulations require.
| 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 Di2 | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 145 / 150 mm | not disclosed |
| Fuel+ EX 9.9 X0 AXS | 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: compared with the 9.8 Eagle 90 (20.38 kg in M), the 9.9 keeps the same suspension but adds carbon wheels, Maven Silver brakes and fully wireless components. Its weight is not published; the 9.8 XT (20.10 kg) serves as the benchmark.
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LVR sizing advice Between two sizes, the smaller one favours agility in technical terrain, the larger one stability at speed. The Reverb AXS goes from 150 mm in S to 175 mm in M and 200 mm from L upwards; the S runs a 29 / 27.5 setup.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Are carbon wheels fragile? | No, they are designed for mountain biking; we check spoke tension and condition regularly. |
| Maven Silver or Bronze? | The Silver offers more adjustment, notably lever reach. |
| Tubeless tyres? | Yes, the Maxxis EXO+ are Tubeless Ready; we fit them that way. |
| Is the grey a solid colour? | No, a smoky grey run through with lithium grey marbled veins. |
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The LVR Cycles verdict The most precise Fuel+ EX on descents, thanks to its carbon wheels and Maven Silver brakes. The marbled smoky grey gives it a premium technical look.
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Why buy from LVR Cycles? As a Trek dealer in Béziers, we fit your carbon wheels tubeless, bleed your Mavens and handle diagnostics and updates for 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