Trek Fuel EX 8 29Do you have a question? We're just a click away.
The world's best-loved mountain bike gets a major capability boost. With more travel, a more aggressive geometry, and 29" or 27.5" mid-fat options, Fuel EX is the one go-to trail bike for all riders.
Want a rugged, capable long-travel trail bike with the spritely manners of an XC bike? Get it with Fuel EX. Fuel EX blends the best of both worlds in one uncompromising package.
- New 130mm frame is more capable and 29" or 27.5+ compatible
- Boost148/110: stronger wheels, more tire clearance, shorter stays
- Exclusive suspension tech with ABP, Full Floater & RE:aktiv
- Straight Shot stiffness, Knock Block frame defense
Frame: Alpha Platinum Aluminum, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, E2 tapered head tube, Mino Link, Control Freak internal routing, down tube guard, PF92, ISCG 05, G2 Geometry, 130mm
Front suspension: Fox Rhythm 34 Float, Grip adjustable damper, E2 tapered steerer, Boost110, G2 Geometry w/51mm offset, 130mm travel
Rear suspension: Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 210x52.5mm
Wheels: Bontrager Duster Elite, Tubeless Ready, Boost110 front, Boost148 rear (tubeless strips included, valves sold separately)
Tires: Bontrager XR3 Expert, Tubeless Ready, Inner Strength sidewalls, aramid bead, 29x2.40"
Shifters: Shimano Deore XT M8000, 11 speed
Front derailleur: Shimano Deore, high direct mount
Rear derailleur: Shimano Deore XT, Shadow Plus
Crank: Shimano Deore XT, 36/26
Bottom bracket: PF92
Cassette: Shimano Deore XT, 11-42, 11 speed
Chain: Shimano HG60
Saddle: Bontrager Evoke 2, chromoly rails
Seatpost: KS eThirty Integra, remote lever, 2-bolt head, 31.6mm, zero offset, internal routing
Handlebar: Bontrager Line, 35mm, 15mm rise, 750mm width
Grips: Bontrager Race Lite, lock-on
Stem: Bontrager Line, Knock Block, 35mm, 0 degree
Headset: Knock Block Integrated, cartridge bearing, sealed, 1-1/8" top, 1.5" bottom
Brakeset: Shimano Deore hydraulic disc
17.5" - 14.11 kg / 31.11 lbs