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Fuel EX 8 29

$3,199.99
was
Model 2140600-2017
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One bike to rule them all

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.

Key features

  • 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

Features

Specifications

  • Frameset

    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

    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"
  • Drivetrain

    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
  • Components

    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
  • Weight

    Weight
    17.5" - 14.11 kg / 31.11 lbs
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

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

Frame size number Geometry position Wheel size A Seat tube B Seat tube angle Effective 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 Frame rise
15.5 in High 29" 39.4 66.2° 74.7° 10.0 67.7° 56.5 33.7 3.0 43.2 5.1 9.9 112.1 76.7 39.9 60.4 60.4
17.5 in High 29" 41.9 66.2° 74.7° 10.0 67.7° 60.0 33.7 3.0 43.2 5.1 9.9 115.6 74.7 43.3 60.3 60.3
18.5 in High 29" 44.0 66.2° 74.7° 10.0 67.7° 61.7 33.7 3.0 43.2 5.1 9.9 117.3 74.2 45.0 60.3 60.3
19.5 in High 29" 47.0 66.2° 74.7° 10.0 67.7° 63.2 33.7 3.0 43.2 5.1 9.9 118.8 73.7 46.5 60.3 60.3
21.5 in High 29" 51.0 66.2° 74.7° 11.0 67.7° 65.7 33.7 3.0 43.2 5.1 9.9 121.4 74.7 48.7 61.2 61.2
23 in High 29" 56.0 66.1° 74.7° 14.5 67.7° 68.6 33.7 3.0 43.2 5.1 9.9 124.7 78.7 50.7 64.4 64.4

More options

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