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The Trek Fuel+ EX 8 Gen 2 takes the drive system of the carbon Fuel+ EX models, a TQ HPR60 motor and 580 Wh battery, and puts it on an Alpha NEXT Platinum aluminium frame. It runs 145 mm at the rear and 150 mm at the front with Fox suspension, a SRAM Eagle 70 drivetrain and DB 8 brakes, for 21.08 kg in size M according to Trek. Trek Black/Purple Flip Splatter scatters purple flecks over a black base that shift to blue depending on the angle.
| Frame | Alpha NEXT Platinum aluminium, removable battery, ZS headset, adjustable progression, interchangeable alloy rocker link and lower shock mount, down tube protection, ABP, UDH, Boost148 |
| Motor | TQ HPR60: 60 Nm, 250 W continuous, 350 W peak |
| Battery | TQ 580 Wh, removable |
| Controls / display | TQ LED display with Bluetooth and ANT+ |
| Suspension | Fox Rhythm 36 GRIP, Float EVOL, 150 mm / Fox Performance Float X 2-position, 205 x 60 mm, 145 mm |
| Drivetrain | SRAM Eagle 70 T-Type 1x12, Eagle 70 160 mm cranks, XS-1270 10-52 cassette |
| Brakes | SRAM DB 8 4-piston hydraulic, 200 mm rotors front and rear |
| Wheels / tyres | Bontrager Line TLR 30 rims, Rapid Drive 108 hubs / Bontrager Brevard Pro XR 29x2.50 |
| Cockpit | Race Face Turbine alloy 35 mm handlebar, 40 mm rise, Bontrager Elite 45 mm stem |
| Saddle / seatpost | Bontrager Verse Short stainless rails / Bontrager Line Dropper 170 mm (M) or 200 mm (L) |
| Weight | 21.08 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 wants a light, natural-feeling e-MTB without investing in carbon, and who prefers an aluminium frame they won't be afraid to scratch. It is a good choice for a first trail e-MTB.
Alpha NEXT Platinum aluminium, Trek's know-how. At Trek, Alpha refers to a family of alloys in several grades: Silver for entry level, Platinum above it, and NEXT Platinum at the top, the one used on this Fuel+ EX 8. The tubes are shaped to house the TQ motor and removable battery, with wall thicknesses tuned section by section. It is a frame that takes rock strikes without a second thought.
| Aluminium Fuel+ EX 8 | Carbon Fuel+ EX (9.7 to 9.9) | Fuel EXe (previous generation) | |
| Level | High-end Trek aluminium | Trek mountain bike carbon | Previous lightweight e-MTB |
| Construction | Alpha NEXT Platinum, tuned wall thickness | OCLV Mountain | Carbon, TQ HPR50 and 360 Wh |
| Reference bike | Fuel+ EX 8: 21.08 kg (M) | Fuel+ EX 9.7: 19.73 kg (M) | Fuel EXe 9.7: 19.33 kg (M) |
| What it means | Gentler budget, same motor | 1.35 kg lighter | Less torque, smaller battery |
Put simply: the Fuel+ EX 8 offers the TQ HPR60 drive system, 580 Wh battery and 145 / 150 mm of the carbon versions on an aluminium frame. It weighs 21.08 kg in M, 1.35 kg more than the carbon 9.7.
The Fox Performance Float X shock has a two-position lever: open for descending, firm for long fire-road climbs. With the TQ motor's assist, that firm setting avoids wasting energy through bobbing on the smooth tracks leading to the singletrack of the Espinouse.
The aluminium frame keeps the adjustments of the carbon version: adjustable progression and an interchangeable lower shock mount, so you can tailor the handling to your riding. The motor complies with electrically assisted bicycle regulations, 250 W rated and cut-off at 25 km/h.
| Model | Frame | Motor / battery | Rear / front travel | Weight (M) |
| Fuel+ EX 8 Eagle 70 | Alpha NEXT Platinum alloy | TQ HPR60 / 580 Wh | 145 / 150 mm | 21.08 kg |
| Fuel+ EX 9.7 Eagle 70 | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 150 mm front | 19.73 kg |
| Fuel+ EX 9.8 Eagle 90 | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 145 / 150 mm | 20.38 kg |
| Fuel+ MX 9.8 XT Di2 | OCLV Mountain carbon | TQ HPR60 / 580 Wh | 150 / 160 mm | 19.79 kg |
Our take: the Fuel+ EX 8 weighs 21.08 kg in M, 1.35 kg more than the carbon 9.7 (19.73 kg), with an identical motor, battery and Eagle 70 drivetrain. The difference lies in the frame: it is up to you to judge whether carbon is worth it.
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LVR sizing advice If you are between sizes, the shorter one makes the Fuel+ EX 8 livelier in hairpins, the longer one more stable when the terrain speeds up. The dropper post grows with the frame: 170 mm in M, 200 mm in L.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Alloy or carbon? | The alloy version is 1.35 kg heavier in M but just as strong; the motor is the same. |
| What is the shock lever for? | It firms up the rear on smooth climbs to limit bobbing. |
| Which sizes in this colourway? | M (165 to 177 cm) and L (177 to 188 cm). |
| Does the purple change colour? | Yes, the flip effect shifts from purple to bluish depending on the light. |
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The LVR Cycles verdict The most accessible Fuel+ EX, with the same TQ assist as the carbon models on a strong aluminium frame. The black speckled with colour-shifting purple gives it plenty of character.
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Why buy from LVR Cycles? In Béziers, we set the sag and rebound on your Fuel+ EX 8, update the TQ motor and advise you on charging and storing the battery.
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