The Trek Fuel EX 8 Gen 7 2027 is a confident, do-it-all trail bike built on Trek's Alpha NEXT Platinum aluminium frame, with 150mm of front travel and 145mm out back. It's built for riders who want a bike that's equally happy on an all-day epic or a quick after-work lap, without asking you to compromise on either.
WHO THIS BIKE SUITS
- You want a genuinely versatile trail bike — capable enough for technical terrain, comfortable enough for long days.
- You're after a dependable SRAM Eagle T-Type drivetrain that shifts cleanly and needs little fuss.
- You want proper Fox suspension (Rhythm 36 fork, Performance Float X shock) without stepping up to carbon pricing.
- You'd rather have 4-piston brakes and a dropper post as standard than add them later.
IF YOU'RE LOOKING FOR SOMETHING DIFFERENT
If you want lighter weight and a stiffer ride, the carbon Fuel EX 9 models are the step up.
If you'd rather have motor assistance for bigger days, the Fuel+ EX covers the same trail-bike character with a battery on board.
WHERE IT SITS IN THE RANGE
The Fuel EX 8 sits in the middle of the aluminium Fuel EX line-up — above the entry-level Fuel EX 5, with a properly specced SRAM Eagle 70 T-Type drivetrain and Fox performance suspension that punches above its position in the range.
Full Fuel EX range: Fuel EX 5 — Fuel EX 9 Eagle 90 — Fuel EX 9 X0 AXS — Fuel EX 9 XT Di2 — Fuel EX 9 XT — Fuel EX 9.8 Eagle 90 — Fuel EX 9.8 XT Di2 — Fuel EX 9.8 XT — Fuel EX 9.9 X0 AXS
HOW IT RIDES
Suspension
The Fox Rhythm 36 fork and Fox Performance Float X shock give you 150mm/145mm of well-controlled travel — enough to take the edge off rough trails without feeling vague on smoother ground.
Drivetrain
SRAM Eagle 70 T-Type is a 12-speed, mechanical, hookless-compatible groupset — reliable, easy to service, and a genuine step up from entry-level drivetrains.
Brakes
SRAM DB 8 four-piston hydraulic discs give you confident, controllable stopping power on steep, technical descents.
Wheels and tyres
Bontrager Line TLR 30 tubeless-ready rims, paired with Bontrager Brevard Pro XR 29x2.50" tyres — a solid, dependable trail-riding combination.
THE FINAL WORD
The Trek Fuel EX 8 is where most riders should start when they're looking at a proper aluminium trail bike. Come in and talk to us — we can help you work out whether the 8 is the right spec level for how you ride, or whether stepping up to carbon makes sense.
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
Frame: Alpha NEXT Platinum aluminium, internal storage, adjustable leverage rate, BSA 73, Boost148, 145 mm-160 mm adaptable travel
Headset: FSA Orbit, sealed cartridge bearing
Bottom bracket: SRAM DUB MTB Wide, 73 mm, BSA threaded
Fork: Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt X axle, 150 mm travel
Rear shock: Fox Float X, 205 mm x 60 mm
Rear derailleur: SRAM Eagle 70, T-Type
Crank: SRAM Eagle 70, DUB, 30T steel, T-Type, 55 mm chainline, 165 mm length
Cassette: SRAM Eagle XS-1270, T-Type, 10-52, 12-speed
Chain: SRAM Eagle 70, T-Type, 12-speed
Brakeset: SRAM DB 8, 4-piston hydraulic disc
Front rotor: SRAM CenterLine 2.0, 6-bolt, 180 mm
Rear rotor: SRAM CenterLine 2.0, 6-bolt, 200 mm
Rims: Bontrager Line TLR 30, Tubeless-Ready, 28-hole, Presta valve
Front hub: Bontrager alloy, sealed bearing, 6-bolt, Boost110, 15 mm thru axle
Rear hub: Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano freehub, Boost148, 12 mm thru axle
Front tyre: Bontrager Brevard Pro XR, dual compound, aramid bead, 60 tpi, 29x2.50"
Rear tyre (M/L/XL/XXL): Bontrager Brevard Pro XR, dual compound, aramid bead, 60 tpi, 29x2.50"
Rear tyre (S only): Bontrager Brevard Pro XR, dual compound, aramid bead, 60 tpi, 27.5x2.50" (size S only — mixed-wheel/"mullet" setup)
Handlebar: Race Face Aeffect, alloy, 35 mm, 40 mm rise, 800 mm width
Stem: Bontrager Elite, 35 mm, 0-degree, 45 mm length
Grips: Trek Line Comp, nylon lock-on
Saddle: Verse Short Comp, steel rails, 145 mm width
Seatpost: Bontrager Line/Line Elite Dropper, MaxFlow, internal routing, 34.9 mm — 150 mm travel (S), 170 mm travel (M), 200 mm travel (L/XL)
Personalised Bike Consultation
Not sure which model is perfect for you? Our expert team at All Ride Now in Midhurst, West Sussex is here to help you choose with confidence.
- Will you be riding mainly on or off-road?
- Do you prefer an upright or sportier riding position?
- Are you looking for longer range, lighter weight, or a more comfortable feel?
Through a friendly consultation – in-store, by phone, live chat or email – we’ll help you narrow down your options and find the bike that best fits your needs.
