Fuel EX 8 Gen 7
OverviewAbout the Trek Fuel EX 8 Gen 7
The Trek Fuel EX 8 Gen 7 is a mountain bike, built on a aluminium frame, listed at $4,799.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SizingWhat size Fuel EX 8 Gen 7 do I need?
Enter your height to see the size Trek recommends.
| Size | Rider height | In feet | Inseam |
|---|---|---|---|
| S | 155 to 165 cm | 5 ft 1 in to 5 ft 5 in | 74 to 78 cm |
| M | 165 to 177 cm | 5 ft 5 in to 5 ft 10 in | 79 to 83 cm |
| L | 177 to 188 cm | 5 ft 10 in to 6 ft 2 in | 84 to 89 cm |
| XL | 188 to 195 cm | 6 ft 2 in to 6 ft 5 in | 89 to 91 cm |
Rider heights from Trek's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
- Brand
- Trek
- Model year
- 2027
- Category
- Mountain
- Frame
- Aluminium
- Wheel size
- 29-inch (mullet on the smallest size)
- Drivetrain
- SRAM Eagle 70 1x12
- Brakes
- Disc
- Frame sizes
- S, M, L, XL
- Price
- $4,799.99, RRP AUD (Trek Australia, checked 16 Oct 2026)
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M
- Stack
- 624 mm
- Reach
- 460 mm
- Stack/reach
- 1.36
- Head angle
- 64.5 deg
- Seat angle
- 78.3 deg
- Wheelbase
- 1225 mm
- Chainstay
- 437 mm
- BB drop
- 35 mm
- Standover
- 744 mm
- Fork rake
- 44 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- SRAM Eagle 70
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 12
- Crank
- SRAM Eagle 70, DUB, 30T, T-Type, 55mm chainline, 165mm length
- Chainrings
- 30
- Cassette
- SRAM Eagle XS-1270, T-Type,10-52, 12-speed
- Rear derailleur
- SRAM Eagle 70, T-Type
- Brakes
- SRAM DB 8 4-piston hydraulic disc
- Rotors
- 200/180mm
- Wheelset
- Bontrager Line TLR 30, Tubeless-Ready, 28-hole, Presta valve
- Rim internal width
- 30 mm
- Stock tyre
- 29x2.50
- Tubeless
- Yes
- Fork material
- Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 150mm travel
- BB standard
- SRAM DUB MTB Wide, 73 m, BSA threaded
- Thru-axle
- 15mm front, 12mm rear
- Seatpost
- Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length
- Cockpit
- Bontrager Elite, 35 mm, 0-degree, 45 mm length / Race Face Aeffect, alloy, 35 mm, 40 mm rise, 800 mm width
- Saddle
- Verse Short Comp, steel rails, 145 mm width
- UDH
- Yes
SuspensionMTB detail
- Front travel
- 150 mm
- Rear travel
- 145 mm
- Fork
- Fox Rhythm 36
- Fork stanchions
- 36 mm
- Shock
- Fox Performance Float X
- Wheel config
- 29
- Dropper
- Bontrager Line Dropper
- Dropper travel
- 170 mm
- Discipline
- Trail
- Suspension
- full suspension
Bike DNAWhat the numbers say
- Steering
- A 64.5 deg head angle points to very slack, built for steep descending.
- Climbing
- Lowest ratio 0.58 is a very low climbing gear for steep or loaded climbs.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (Trek Australia product data 79587 (spec list, geometry chart, size chart)), verified 2026-10-16. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked.
