Fuel EX 9.8 29 | Trek Bikes
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NEW 2019

Fuel EX 9.8 29

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$5,399.99 - $5,899.99 Model 23603
Fuel EX 9.8 is the versatile carbon trail bike that can climb with the XC crowd and throw down with the rowdy trail crew. A lightweight OCLV Mountain Carbon frame, 1x12 SRAM GX Eagle drivetrain, carbon wheels, and FOX Performance Float suspension with Trek's exclusive RE:aktiv with Thru Shaft shock make it the perfect choice for all-mountain shredders who want a single bike that does it all.
Fuel EX 9.8 is the versatile carbon trail bike that can climb with the XC crowd and throw down with the rowdy trail crew. A lightweight OCLV Mountain Carbon frame, 1x12 SRAM GX Eagle drivetrain, carbon wheels, and FOX Performance Float suspension with Trek's exclusive RE:aktiv with Thru Shaft shock make it the perfect choice for all-mountain shredders who want a single bike that does it all.
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It's right for you if...

You like going fast, getting rowdy, and clearing every obstacle on the first try. You want a single bike that can handle any trail, with high-quality parts, a carbon frame, and dialed suspension for everything from burly technical descents to single track and even XC races.

The tech you get

A light and stiff OCLV Mountain Carbon frame, Tubeless Ready Bontrager Line Carbon 30 wheels with a 54-tooth Rapid Drive rear hub for quick engagement, a 1x12 SRAM GX Eagle drivetrain, a 130mm FOX Performance 34 Float fork, and a FOX Performance Float shock featuring Trek's exclusive RE:aktiv with Thru Shaft. Plus, a Bontrager Line dropper post and a 35mm Bontrager Line Pro OCLV Carbon handlebar.

The final word

Fuel EX 9.8 is the definitive mountain bike, and a great choice if you're going to invest in a single bike for all kinds of terrain. A carbon frame, quality parts build, and advanced suspension make it an outstanding all-around mountain bike for every kind of trail.

favorite_borderWhy you'll love it

  1. It doesn't box itself into a category: Fuel EX brings trail bike plushness with an XC race bike feel for our most versatile mountain bike whip
  2. RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control
  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 SRAM GX Eagle drivetrain provides all the range you'll ever need in the simplicity of a 1x setup
  5. Make it yours: it's customizable through Project One

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Features

Specifications

  • Frameset

    Frame
    OCLV Mountain Carbon main frame & seatstay, alloy chainstay, ABP, Boost148, Knock Block steerer stop, Full Floater, EVO link, tapered head tube, Mino Link, Control Freak internal routing, Carbon Armor, PF92, ISCG 05, G2 Geometry, 130mm travel
    Front suspension
    Fox Performance 34 Float, GRIP 3-position damper, tapered steerer, G2 Geometry w/51mm offset, Boost110, 130mm travel
    Rear suspension
    Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210x52.5mm
  • Wheels

    Wheels
    Bontrager Line Carbon 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 7k 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, austenite rails
    Seatpost
    Bontrager Line, internal routing, 31.6mm, 15.5: 100mm, 17.5 & 18.5: 125mm, 19.5 & 21.5: 150mm
    Handlebar
    Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
    Grips
    Bontrager XR Trail Elite, alloy lock-on
    Stem
    Bontrager Line Pro, Knock Block, 35mm clamp, 0 degree
    Headset
    Knock Block Integrated, sealed cartridge bearing, 1-1/8˝ top, 1.5˝ bottom
    Brakeset
    Shimano SLX M7000 hydraulic disc
  • Weight

    Weight
    17.5˝ - 12.70 kg / 28 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

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° 59.9 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° 61.6 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° 63.1 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

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