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Aluminium full-suspension mountain bike Trek Fuel EX 8 Eagle 70 lithium grey/trek black splatter 12-speed

Aluminium full-suspension mountain bike Trek Fuel EX 8 Eagle 70 speckled grey: 2.50 tyres, Fox, 16.58 kg

CHF3,256.06 Incl. Tax

Color

Gris et Noir

Size

Size charts

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Description
Product Details

Trek Fuel EX 8 Lithium Grey: the trail bike for every weekend

Designed to go anywhere, the Trek Fuel EX 8 Gen 7 combines an Alpha NEXT Platinum aluminium frame, 150 mm of travel at the front with a Fox Rhythm 36 and 145 mm at the rear with a Fox Float X. 2.50-inch Bontrager Brevard Pro tyres and a SRAM Eagle 70 T-Type drivetrain complete a bike weighing 16.58 kg in size M according to Trek. The Lithium Grey/Trek Black Splatter finish keeps things understated with a dark lithium grey flecked with black.

Technical specifications

Frame	Alpha NEXT Platinum aluminium, adjustable progression, interchangeable rocker and shock mount, internal storage, threaded BSA 73, ISCG 05
Suspension	Fox Rhythm 36 Float EVOL GRIP 150 mm fork / Fox Float X 205x60 mm shock, 145 mm
Drivetrain	SRAM Eagle 70 T-Type 1x12, DUB 30T chainset, XS-1270 10-52 cassette
Brakes	Hydraulic disc, SRAM CenterLine 200 mm (front) and 180 mm (rear) rotors
Wheels / tyres	Bontrager Line TLR 30 rims, Bontrager Rapid Drive 108 Boost hubs / Bontrager Brevard Pro XR Tubeless Ready 29x2.50 (27.5x2.60 rear on S)
Cockpit	Race Face Aeffect alloy handlebar, 35 mm, 800 mm, 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	16.58 kg in size M (Trek figure, with tubeless sealant, no inner tubes)

At a glance

✓ Adjustable Alpha NEXT Platinum	✓ Fox Rhythm 36 and Float X
✓ SRAM Eagle 70 T-Type 10-52	✓ 2.50 Brevard Pro tyres
✓ Rapid Drive 108 rear hub	✓ 16.58 kg in size M

Who is it for?

For the mountain biker who wants one bike to do it all: Sunday rides with friends, day-long outings, a few bike park sessions and even a regional raid. It is aimed at riders who prefer a versatile, reliable bike to a specialised machine.

The LVR workshop view

Alpha aluminium, Trek's expertise. On Trek's alloy scale, the Alpha NEXT Platinum of this Fuel EX 8 sits above the Alpha Platinum of the Procaliber and Slash 8, and well above the Alpha Silver of the Marlin. The frame takes the ideas of the carbon version: interchangeable rocker, adjustable lower shock mount, adjustable progression and down tube hatch. It keeps a threaded BSA 73 bottom bracket and ISCG 05 tabs for a chain guide.

	Alpha Silver	Alpha NEXT Platinum	OCLV Mountain
Level	Trek's entry-level alloy	The most refined of the Alpha alloys	Trek's mountain bike carbon
Construction	Alpha aluminium, hardtail frame	Alpha aluminium, adjustable Fuel platform	OCLV process tuned for impacts
Reference bike	Marlin 4 to 7	Fuel EX 5, 8 and 9	Fuel EX 9.8 and 9.9
What it means	Simple and affordable, no rear suspension	4.95 kg frameset in M, tough and more affordable	3.31 kg frameset in M, 1.64 kg less

Put simply: aluminium costs 1.64 kg on the frameset compared with OCLV Mountain carbon (4.95 kg versus 3.31 kg in M), but it copes better with rock strikes and car-park tip-overs. On a trail bike that goes out every weekend, it is a sensible choice we are happy to stand behind.

The dual-compound 2.50-inch Brevard Pro tyres offer a good contact patch without being too slow on smooth tracks. Set up tubeless at low pressure, they grip on the red earth and rock slabs of the Salagou as well as on the dry, dusty ground of the garrigue.

The Rapid Drive 108 rear hub engages almost instantly: on a technical climb, every quarter turn of the pedals is transmitted with no dead time. On the maintenance side, the Eagle 70 drivetrain shares the T-Type principle of more expensive groupsets, with simplified derailleur adjustment.

Which Fuel should you choose?

Model	Frame	Fork / rear	Drivetrain	Weight (M)
Fuel EX 5	Alpha NEXT Platinum alloy	RockShox Recon 150 / 145 mm	Shimano Deore 1x12	16.88 kg
Fuel EX 8	Alpha NEXT Platinum alloy	Fox Rhythm 36, 150 / 145 mm	SRAM Eagle 70 1x12	16.58 kg
Fuel EX 9 Eagle 90	Alpha NEXT Platinum alloy	RockShox Lyrik Ultimate, 150 / 145 mm	SRAM Eagle 90 1x12	16.58 kg
Fuel EX 9 XT	Alpha NEXT Platinum alloy	Fox Factory 36, 150 / 145 mm	Shimano XT 1x12	17.14 kg

Our take: compared with the Fuel EX 5, this Fuel EX 8 gains the Fox 36 fork and Brevard Pro tyres while weighing 300 g less. For finer suspension adjustment, the Fuel EX 9 XT and its Fox Factory units take over.

LVR sizing advice

If you are hesitating between two sizes, take the shorter one for tight, twisting trails, the longer one for riding fast on open tracks. Dropper post travel increases with size; the S pairs a 27.5-inch rear wheel with a 29-inch front.

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

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

Your questions

Can I do a raid on it?	Yes, with 145 mm at the rear it stays efficient over long distances, even on rough courses.
Are the 2.50 tyres slow?	A little on the road, but their grip more than makes up for it on the trails.
How should the suspension be maintained?	A seal and oil service every season, which we carry out in the workshop.
Does the flecked grey show the dirt?	It hides dust and small scratches well.

The LVR Cycles verdict

The most versatile Fuel EX 8, at ease from raids to technical rides, with generous tyres and effective Fox suspension. Its lithium grey flecked with black stays understated and easy to live with.

Pros
+ Remarkable versatility
+ 2.50 Brevard Pro tyres
+ Responsive Rapid Drive 108 hub

Cons
- Brakes not specified in Trek's data
- Simple suspension adjustments

Why buy from LVR Cycles? At LVR Cycles in Béziers, we set your Fuel EX 8 up tubeless, adjust the suspension and carry out the annual fork and shock service.

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-5348800

Data sheet