Fuel EX 8 29 | Trek Bikes
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NEW 2019

Fuel EX 8 29

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$3,449.99 Model 23593

Fuel EX 8 is the ideal 29er trail bike for mountain bikers who want a versatile full suspension ripper that can climb with the XC crowd and huck with the enduro crew. It hits the sweet spot of value and performance in our mountain bike lineup with an Alpha Aluminum frame, 130mm front and rear suspension, and SRAM GX Eagle 12-speed drivetrain.

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It's right for you if...

You're cool with your wheels leaving the ground, but you also like to go the distance on marathon singletrack sessions and aim to clear every rock garden on the first try. You want exceptional trail bike performance, with the same MTB frame and suspension tech found on higher-end trail bikes, at an exceptional value. 

The tech you get

A lightweight Alpha Platinum Aluminum frame, SRAM GX Eagle 1x12 drivetrain with a wide-range 10-50 cassette, Tubeless Ready Bontrager Line Comp 30 wheels with a 54-tooth Rapid Drive hub for quick engagement, and a Bontrager Line dropper post for on-the-fly saddle height adjustments. The 130mm front and rear FOX suspension with Trek's exclusive RE:aktiv damper is enough to go big while staying fast on the flats and climbs.

The final word

It's a trail bike that is fully capable keeping up with whatever you throw at it. It has the same frame and suspension tech found on our top-of-the-line trail bikes, with a SRAM GX Eagle 1x12 drivetrain that delivers a huge range of gearing with the simplicity of a single shifter.

The Walkthrough

Fuel EX 2019 PDP

favorite_borderWhy you'll love it

  1. If you measure quality in performance per dollar, you won't do better than Fuel EX 8
  2. You sense its capability immediately, like when you're charging through sections of trail you never thought you'd clean
  3. It's great for riders who don't want to do just one kind of mountain biking, but want to explore everything from XC marathons to epic descents
  4.  The shifter-style, underbar remote dropper post lever is super intuitive and easy to use

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Features

Specifications

  • Frameset

    Frame
    Alpha Platinum Aluminum, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, tapered head tube, Mino Link, Control Freak internal routing, down tube guard, PF92, ISCG 05, G2 Geometry, 130mm travel
    Front suspension
    Fox Rhythm 34 Float, GRIP adjustable damper, tapered steerer, G2 Geometry w/51mm offset, Boost110, 130mm travel
    Rear suspension
    Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 210x52.5mm
  • Wheels

    Wheels
    Bontrager Line Comp 30, Tubeless Ready, 54T Rapid Drive, Boost110 front, Boost148 rear, tubeless strips included, valves sold separately
    Tires
    Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, 120tpi, aramid bead, 29x2.40˝
  • Drivetrain

    Shifters
    SRAM GX Eagle, 12 speed
    Rear derailleur
    SRAM GX Eagle, Roller Bearing Clutch
    Crank
    Truvativ Descendant 6k Eagle DUB, 32T Direct Mount
    Bottom bracket
    SRAM DUB Press Fit, 92mm
    Cassette
    SRAM XG-1275 Eagle, 10-50, 12 speed
    Chain
    SRAM GX Eagle
    Pedals
    Not included
  • Components

    Saddle
    Bontrager Arvada, hollow chromoly rails
    Seatpost
    Bontrager Line, internal routing, 31.6mm, 15.5: 100mm, 17.5 & 18.5: 125mm, 19.5 & 21.5: 150mm
    Handlebar
    Bontrager Line, 35mm, 15mm rise, 750mm width
    Grips
    Bontrager XR Trail Elite, alloy lock-on
    Stem
    Bontrager Line, Knock Block, 35mm clamp, 0 degree
    Headset
    Knock Block Integrated, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom
    Brakeset
    Shimano Deore M6000 hydraulic disc
  • Weight

    Weight
    17.5˝ - 13.79 kg / 30.4 lbs (with tubes)
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

Inseam

All measurements provided in cm unless otherwise noted.

Frame size number Geometry position Wheel size A — Seat tube B — Seat tube angle C — Head tube length D — Head angle E — Effective top tube F — Bottom bracket height G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
15.5 in High 29" 39.4 66.2° 10.0 67.7° 56.5 34.4 3.0 43.2 5.1 9.9 112.1 76.7 39.9 60.4
17.5 in High 29" 41.9 66.2° 10.0 67.7° 60.0 34.4 3.0 43.2 5.1 9.9 115.6 74.7 43.3 60.3
18.5 in High 29" 44.0 66.2° 10.0 67.7° 61.7 34.4 3.0 43.2 5.1 9.9 117.3 74.2 45.0 60.3
19.5 in High 29" 47.0 66.2° 10.0 67.7° 63.2 34.4 3.0 43.2 5.1 9.9 118.8 73.7 46.5 60.3
21.5 in High 29" 51.0 66.2° 11.0 67.7° 65.7 34.4 3.0 43.2 5.1 9.9 121.4 74.7 48.7 61.2
23 in High 29" 56.0 66.1° 14.5 67.7° 68.6 34.4 3.0 43.2 5.1 9.9 124.7 78.7 50.7 64.4

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