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Sold in five sizes, from an S designed for 155 cm up to an XXL that goes to 203 cm, the Trek Fuel+ EX 9.8 XT Gen 2 lets two riders of very different builds ride the same model. It brings together an OCLV Mountain carbon frame, TQ HPR60 motor, 580 Wh battery, Fox Factory and mechanical Shimano XT, and Trek quotes 20.10 kg in size M. Its Lichen Green/Keswick Green Splatter finish sprays bottle-green droplets over a very soft lichen-green base.
| 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 couple or family who want two identical e-MTBs, with the same wear parts and the same maintenance, despite very different sizes. It also suits a club or group of friends who prefer a uniform fleet so they can help each other out on rides.
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.
Riding two identical bikes simplifies logistics: same battery charger, same XT pads, same chain, same brake fluid. If you get a puncture or wear out a pad deep in a valley of the Espinouse, one rider's spare can help out the other.
Only the parts linked to body size change: the small size switches to a 27.5-inch rear wheel, and the Line Dropper travel varies between sizes. The TQ motor and its assist, cut at 25 km/h to stay within the legal framework for e-bikes, behave identically on both bikes.
| 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: two 9.8 XTs means twice 20.10 kg in M and a single maintenance routine. If one of the two riders wants more travel, the Fuel+ MX 9.8 XT Di2 (19.79 kg in M) offers 150 / 160 mm.
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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. |
| Two very different sizes, same bike? | Yes, from S to XXL with the same main components. |
| Are the parts interchangeable? | Brakes, chain, cassette and charger are common to all sizes. |
| Which size for 1.70 m? | The M covers 165 to 177 cm; we confirm it based on your inside leg. |
| Is the green the same on every size? | Yes, the same lichen-green base speckled with bottle green. |
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The LVR Cycles verdict A carbon e-MTB that is ideal for equipping two riders of different builds with a single model and a single maintenance routine. The speckled lichen green gives it a woodland feel.
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Why buy from LVR Cycles? As a Trek dealer in Béziers, we prepare your two Fuel+ EX bikes at the same time, each set up for its rider's weight, and combine their servicing and TQ updates.
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+ EX 9.8 XT lichen green: TQ HPR60 580 Wh, S to XXL, 20.10 kg
