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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. You want a bike that lets you crush any trail, and your priority is on the parts.

    The tech you get

    A lightweight aluminum frame, 140mm FOX Rhythm 34 fork, and 130mm of rear travel with an extra-efficient RE:aktiv damper. A SRAM GX Eagle 1x12 drivetrain with an extra-low 52-tooth climbing gear, plus a Bontrager Line dropper post.

    The final word

    Fuel EX 8 gives you added efficiency with SRAM's latest, widest-range drivetrain and Trek's unique RE:aktiv damper that provides firm pedaling support without giving up any plush compliance.

    Why you'll love it

    1. A wider gear range and more efficient suspension help you claw your way up tricky climbs you never thought you'd clean
    2. If you measure quality in performance per dollar, you won't do better than Fuel EX 8
    3. This bike will make you want to rail every corner, smash every rock garden, and charge every descent
    4. The shifter-style, underbar remote dropper post lever is super intuitive and easy to use
    5. We expanded our size range to ensure a better fit for all riders. And, you get the fastest wheel that fits your frame: XS frames get 27.5˝ wheels, S frames get to choose between 27.5˝ or 29˝, and sizes M to XL get 29˝ wheels

    Specifications

    *spec applies to all sizes unless otherwise noted

    Frameset
    Frame Alpha Platinum Aluminum, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel
    Fork Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 140mm travel
    *Shock Size: XS , S
    Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210mm x 52.5mm
    Size: S , M , ML , L , XL , XXL
    Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210mm x 55mm
    Wheel front Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
    *Wheel rear Size: XS , S
    Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54, 6-bolt, 54T Rapid Drive, SRAM XD driver, Boost148, 12mm thru axle
    Size: S , M , ML , L , XL , XXL
    Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Rapid Drive 54, SRAM XD driver, Boost148, 12mm thru axle
    Skewer rear Bontrager Switch thru axle, removable lever
    *Tire Size: XS , S
    Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5x2.40''
    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 , XXL
    Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40''
    Size: S , M , ML , L , XL , XXL
    Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29x2.60''
    *Tire part Size: XS , S , M , ML , L , XL , XXL
    Bontrager TLR sealant, 6oz
    Size: XS , S , M , ML , L , XL , XXL
    Bontrager TLR valve, 50mm
    Shifter SRAM GX Eagle, 12 speed
    Rear derailleur SRAM GX Eagle
    *Crank Size: XS , S
    SRAM X1 Eagle, DUB, 30T steel ring, Boost (52mm chainline), 170mm length
    Size: M , ML , L , XL , XXL
    SRAM X1 Eagle, DUB, 30T steel ring, Boost (52mm chainline), 175mm length
    Bottom bracket SRAM DUB, 92mm, PressFit
    Cassette SRAM Eagle XG-1275, 10-52, 12 speed
    Chain SRAM GX Eagle, 12 speed
    Saddle Bontrager Arvada, hollow chromoly rails, 138mm width
    *Seatpost Size: XS , S
    Bontrager Line Dropper, 100mm travel, internal routing, 31.6mm, 345mm length
    Size: M , ML , L , XL , XXL
    Bontrager Line Dropper, 150mm travel, internal routing, 31.6mm, 440mm length
    *Handlebar 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
    Grips Bontrager XR Trail Elite, nylon lock-on
    *Stem Size: XS , S
    Bontrager Line, 35mm, Knock Block, 0 degree, 40mm length
    Size: M , ML , L , XL , XXL
    Bontrager Line, 35mm, Knock Block, 0 degree, 50mm length
    Headset Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
    Brake SRAM G2 R 4-piston hydraulic disc
    *Brake rotor Size: XS , S , M , ML , L , XL , XXL
    SRAM CenterLine, 6-bolt, round edge, 180mm
    Size: M , ML , L , XL , XXL
    SRAM CenterLine, 6-bolt, round edge, 200mm

    Weight M - 13.78 kg / 30.39 lbs (with TLR sealant, no tubes)
    Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).