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Carbon full-suspension mountain bike Trek Fuel EX 9.8 Eagle 90 gloss dark carmine/matte trek black 12-speed

Carbon full-suspension mountain bike Trek Fuel EX 9.8 Eagle 90 carmine red: Lyrik, 2.5 tyres, 145/150 mm

kr48,615.46 Incl. Tax

Color

Black and red

Size

Size charts

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Trek Fuel EX 9.8 Eagle 90 Dark Carmine: technical descending without compromise

With its 150 mm RockShox Lyrik Ultimate fork, 145 mm Super Deluxe Ultimate shock and 2.5-inch Maxxis Minion tyres, the Trek Fuel EX 9.8 Eagle 90 Gen 7 is a carbon trail bike that is not afraid of steep slopes. Trek has not published a weight for this version; the 9.8 XT, with the same OCLV Mountain frame, serves as a reference at 15.28 kg in size M. The Gloss Dark Carmine/Matte Trek Black colourway contrasts a glossy dark carmine red with matt black.

Technical specifications

Frame	OCLV Mountain carbon, integrated storage, adjustable progression, threaded BSA 73, ISCG 05, UDH hanger, Boost
Suspension	RockShox Lyrik Ultimate Charger 3.1 RC 150 mm / Super Deluxe Ultimate RC2T 145 mm
Drivetrain	Mechanical SRAM Eagle 90 T-Type 1x12, 30T steel chainring, XS-1275 10-52 cassette, GX Eagle chain
Brakes	SRAM Maven Bronze 4-piston hydraulic, HS2 200 mm (front) and 180 mm (rear) rotors
Wheels / tyres	Bontrager Line Comp 30 aluminium / Maxxis Minion DHF (front) and DHR II (rear) 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 post, 150 to 200 mm depending on size
Weight	Weight not published by Trek for this version; reference: Fuel EX 9.8 XT, identical carbon frame, 15.28 kg in size M

At a glance

✓ OCLV Mountain carbon frame	✓ RockShox Lyrik and Super Deluxe Ultimate
✓ 145 mm rear, 150 mm front	✓ SRAM Eagle 90 T-Type 10-52
✓ Maven Bronze 4-piston brakes	✓ Weight not published (reference 15.28 kg)

Who is it for?

For the rider who is above all looking for fun on the way down: rock gardens, steps, tight switchbacks and small jumps, with the climbs seen as a necessary evil. It will appeal to the mountain biker who rides the region's enduro spots without wanting a 160 or 170 mm bike that is too heavy for the Sunday ride.

The LVR workshop view

OCLV carbon, Trek's signature. For mountain biking, Trek adapts its OCLV process into a Mountain version: the fibre sheets are still heat-compacted under pressure to eliminate micro-voids, but the layup prioritises resistance to rock strikes and crashes over saving grams. On the Gen 7 Fuel EX, the carbon frame kit weighs 3.31 kg in size M, versus 4.95 kg for the Alpha NEXT Platinum aluminium version, and it is covered by Trek's lifetime warranty.

	OCLV Mountain (Fuel EX 9.8 / 9.9)	Alpha NEXT Platinum (Fuel EX 5 to 9)	Road OCLV (Madone, Domane)
Level	Trek's mountain bike carbon	Trek's best MTB aluminium	Road carbon, OCLV 500 to 900
Construction	Layup focused on impact resistance	Hydroformed tubes, dressed welds	Layup focused on lightness and stiffness
Fuel EX frameset (M)	3.31 kg	4.95 kg	not applicable
What it means	1.64 kg lighter than aluminium, same geometry	Heavier, gentler on the budget	Not designed for MTB impacts

In short: the 9.8 Eagle 90 is the entry point to the carbon Fuel EX, and it makes a clear-cut choice: the budget goes into the frame and the RockShox Ultimate suspension, the same as on the 9.9, while the drivetrain stays mechanical and simple. Trek does not publish its weight; the 9.8 XT, with the same frame, serves as a reference at 15.28 kg in M.

The MaxxGrip Minion DHF at the front and MaxxTerra DHR II at the rear are a combination usually seen on enduro bikes: the front sticks in the turns, the rear brakes in a straight line. On the red earth and rock slabs of the Salagou, this combination inspires confidence from the very first corners, and the EXO+ casing resists pinch flats better.

The four-piston SRAM Maven Bronze brakes work on a 200 mm rotor at the front: power remains available on long descents where a lighter brake would end up overheating. We recommend checking the bleed at the start of the season, as the summer heat around Béziers puts the fluid to the test.

Which Fuel should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Fuel EX 9 Eagle 90	Alpha NEXT Platinum alloy	145 / 150 mm	SRAM Eagle 90 T-Type	16.58 kg
Fuel EX 9.8 Eagle 90	OCLV Mountain carbon	145 / 150 mm	SRAM Eagle 90 T-Type	not published
Fuel EX 9.8 XT	OCLV Mountain carbon	145 / 150 mm	Mechanical Shimano XT	15.28 kg
Fuel EX 9.9 X0 AXS	OCLV Mountain carbon	145 / 150 mm	Wireless SRAM X0 Eagle AXS	14.08 kg

Our take: for descending, the 9.8 Eagle 90 has the same suspension and tyres as the 9.9 X0 AXS. If you need even more travel, the Fuel LX 9.8 XT Di2 moves up to 160 / 170 mm for 15.97 kg in M.

LVR sizing advice

If you are between two sizes, the smaller makes the Fuel EX more playful in tight switchbacks, the larger more stable at high speed in rock gardens. The dropper post goes from 150 to 200 mm of travel depending on size, and size S runs a mixed 29 / 27.5 set-up.

Size	S	M	L	XL	XXL
Rider height (cm)	155-165	165-177	177-188	188-195	195-203
Inseam (cm)	74-78	79-83	84-89	89-91	91-97
Dropper post (mm)	150	170	200	200	200
Wheels front / rear (in)	29 / 27.5	29 / 29	29 / 29	29 / 29	29 / 29

Source: Trek size guide. Bike fitting available in our Béziers shop.

Your questions

Enough travel for enduro?	For recreational riding, yes; for committed enduro, the Fuel LX offers 160 / 170 mm.
Are the brakes enough on long descents?	Yes, four pistons and a 200 mm front rotor; regular bleeding keeps them consistent.
Can I add a chain guide?	Yes, the frame has ISCG 05 mounts.
Does the matt black scratch?	Clean it without polishing products; a film protects the rub zones.

The LVR Cycles verdict

A carbon Fuel EX that favours descending, with suspension and tyres worthy of an enduro bike. The glossy carmine red over matt black asserts that temperament.

Pros
+ Enduro-grade Maxxis tyres
+ 200 mm front rotor
+ Striking red and black contrast

Cons
- Complete weight not published
- Aluminium wheels worth upgrading one day

Why buy from LVR Cycles? As a Trek dealer in Béziers, we bleed your brakes, set the Lyrik compression for your local spots and service the suspension of your Fuel EX.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.

Reference TRK-5348887

Data sheet