Bike Comparison
    MSRP
    $5,499$4,299
    Where to Buy
    $1

    At

    $3,999

    7% off At Trek

    $3,199

    20% off At Cycle Limited

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    Category
    TrailTrail
    Weight
    29.0 lbs34.5 lbs
    7.3
    5.2
    CarbonAluminum
    Fork
    Fox Performance Float 36Fox Rhythm Float 36
    Shock
    FoxFox Float X Performance
    Wheels
    CarbonAluminum
    27.5″ / 29″27.5″ / 29″
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    XTXT, Deore
    Drivetrain
    1 × 121 × 12
    Suspension
    FullFull
    Front Travel
    140mm150mm
    Rear Travel
    130mm140mm
    Brand Site

    trekbikes.com

    trekbikes.com

    Summary
    The Trek Fuel EX 9.8 XT is a 27.5″ / 29″ carbon frame full suspension trail bike with high-end components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    2020 Fuel EX 9.8 XT
    2023 Fuel EX 8 Gen 6
    Other Trail bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    28 mph

    2020 Fuel EX 9.8 XT

    26 mph

    2023 Fuel EX 8 Gen 6

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel

    BB StandardBB86/BB92, Press Fit

    Tire Clearance2.6"

    ColorsMiami Green to Teal Fade; Raw Carbon / Rage Red; Gloss Purple Phaze / Matte Raw Carbon

    Alpha Platinum Aluminum, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9mm seat tube, ISCG 05, 55mm chainline, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140mm travel

    BB StandardBB86/BB92, Press Fit

    Tire Clearance2.6"

    ColorsMiami Green to Teal Fade; Raw Carbon / Rage Red; Gloss Purple Phaze / Matte Raw Carbon

    Fork

    Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm bolt-on axle, 140mm travel

    Travel150mm

    Spring TypeAir

    Size: XS, S, Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 140mm travel; Size: S, M, ML, L, XL, XXL, Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 150mm travel

    Travel150mm

    Spring TypeAir

    Shock

    Size: XS, S, Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210x52.5mm; Size: S, M, ML, L, XL, Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210x55mm

    Fox Performance Float X, 2-position damper, 185mm x 55mm

    Bottom Bracket

    Shimano MT500, 92mm, PressFit

    Shimano BB-MT501 BSA

    Headset

    Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom

    Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible

    Stem

    Size: XS, S, Bontrager Line Pro, 35mm, Knock Block, 0 degree, 40mm length; Size: M, ML, L, XL, Bontrager Line Pro, 35mm, Knock Block, 0 degree, 50mm length

    Size: XS, S, Bontrager Elite, 35mm, 0 degree, 35mm length; Size: M, ML, L, XL, XXL, Bontrager Elite, 35mm, 0 degree, 45mm length

    Handlebar

    Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width

    Size: XS, S, Bontrager Line, alloy, 35mm, 27.5mm rise, 750mm width; Size: M, ML, L, XL, XXL, Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width

    Saddle

    Bontrager Arvada, austenite rails, 138mm width

    Bontrager Arvada, hollow chromoly rails, 138mm width

    Seatpost

    Size: XS, S, Bontrager Line Elite Dropper, 100mm travel, internal routing, 31.6mm, 340mm length; Size: M, ML, Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6mm, 440mm length; Size: L, XL, Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6mm, 480mm length

    Size: XS, S, TranzX JD-YSP39, 100mm travel, internal routing, 34.9mm; Size: M, ML, TranzX JD-YSP39, 150mm travel, internal routing, 34.9mm; Size: L, XL, XXL, TranzX JD-YSP39, 170mm travel, internal routing, 34.9mm

    Grips

    Bontrager XR Trail Elite, alloy lock-on

    Bontrager XR Trail Elite, nylon lock-on

    Groupset
    Rear Derailleur

    Shimano XT M8100, long cage, 51T max cog

    Shimano XT M8100, long cage

    Crank

    Size: XS, S, Shimano XT M8100, 32T alloy ring, Boost (52mm chainline), 170mm length; Size: M, ML, L, XL, Shimano XT M8100, 32T alloy ring, Boost (52mm chainline), 175mm length

    Shimano Deore M6120, 30T ring, 55mm chainline, 170mm length

    Shifters

    Shimano XT M8100, 12 speed

    Shimano XT M8100, 12 speed

    Cassette

    Shimano XT M8100, 10-51, 12 speed

    Shimano XT M8100, 10-51, 12 speed

    Chain

    Shimano XT M8100, 12 speed

    Shimano SLX M7100, 12 speed

    Brakes

    Shimano SLX M7120 4-piston hydraulic disc

    Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper

    Wheels
    Rims

    Front: Bontrager Line Carbon 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, Rear: Bontrager Line Carbon 30, Tubeless Ready, 54T Rapid Drive, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle

    Front: Size: XS, S, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5''; Size: S, M, ML, L, XL, XXL, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Size: XS, S, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54, 6-bolt, Boost148, 12mm thru axle, 27.5''; Size: S, M, ML, L, XL, XXL, Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''

    Rear Hub

    Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle

    Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano MicroSpline freehub, Boost148, 12 mm thru axle

    Tires

    Size: XS, S, Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.60''; Size: S, M, ML, L, XL, Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.60''

    Size: XS, S, Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5x2.50''; Size: S, M, ML, L, XL, XXL, Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50''

    Disc Rotors

    Size: XS, S, M, ML, L, XL, Shimano RT66, 6-bolt, 180mm; Size: M, ML, L, XL, Shimano RT66, 203mm, 6-bolt

    Size: XS, S, M, ML, L, XL, XXL, Shimano RT66, 6-bolt, 180mm; Size: XS, S, M, ML, L, XL, XXL, Shimano RT66, 6-bolt, 203mm

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