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Description
Description

Any Trail. Anytime
Fuel EX 8 is the ideal trail bike for riders who want a versatile full suspension ripper that makes soul-crushing climbs less painful, but can also huck rowdy trails. It hits the sweet spot of value and performance in our mountain bike lineup by combining high-end parts with a stout but light alloy frame.
Why you'll love it
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A wider gear range and more efficient suspension help you claw your way up tricky climbs you never thought you'd clean
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This bike will make you want to rail every corner, smash every rock garden, and charge every descent
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The shifter-style, underbar remote dropper post lever is super intuitive and easy to use
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Expanded size range to suit all riders

SPECS
FRAMESET | |
FRAME | Alpha Platinum Aluminium, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130 mm travel |
FORK | Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm 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, 210 mm x 52.5 mm Size: S , M , ML , L , XL Fox Performance Float EVOL, 3-position RE:aktiv damper, tuned by Trek Suspension Lab, 210 mm x 55 mm |
WHEELS | |
WHEEL FRONT | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
WHEEL REAR | Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle |
SKEWER REAR | Bontrager Switch thru-axle, removable lever |
TIRE PART |
Size: XS , S , M , ML , L , XL , XXL
Bontrager TLR sealant, 180 ml/6 oz Size: XS , S , M , ML , L , XL , XXL Bontrager TLR valve, 50mm |
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'' |
DRIVETRAIN | |
SHIFTER | Shimano XT M8100, 12-speed |
REAR DERAILLEUR | Shimano XT M8100, long cage, 51T max cog |
CRANK |
Size: XS , S
Shimano SLX M7100, 30T alloy ring, Boost, 170 mm length Size: M , ML , L , XL Shimano SLX M7100, 30T alloy ring, Boost, 175 mm length |
BOTTOM BRACKET | Shimano MT500, 92 mm, PressFit |
CASSETTE | Shimano XT M8100, 10-51, 12-speed |
CHAIN | Shimano SLX M7100, 12-speed |
COMPONENTS | |
SADDLE | Bontrager Arvada, hollow chromoly rails, 138 mm width |
SEATPOST |
Size: XS , S
Bontrager Line Dropper, 100 mm travel, internal routing, 31.6 mm, 345 mm length Size: M , ML , L , XL, XXL Bontrager Line Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length |
HANDLEBAR |
Size: XS , S
Bontrager Line, alloy, 35 mm, 27.5 mm rise, 750 mm width Size: M , ML , L , XL , XXL Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width |
GRIPS | Bontrager XR Trail Elite, nylon lock-on |
STEM |
Size: XS , S
Bontrager Line, 35 mm, Knock Block, 0-degree, 40 mm length Size: M , ML , L , XL , XXL Bontrager Line, 35 mm, Knock Block, 0-degree, 50 mm length |
HEADSET | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom |
BRAKE ROTOR |
Size: XS , S , M , ML , L , XL , XXL
Shimano RT66, 6-bolt, 180mm Size: M , ML , L , XL , XXL Shimano RT66, 6-bolt, 203 mm |
BRAKE | Shimano hydrauilc disc, MT4100 lever, MT420 4-piston caliper |
WEIGHT | |
WEIGHT | M - 13.81 kg / 30.45 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). |
TECHNOLOGY
Mino Link
Fine tune head tube angle by 1/2° and BB height by up to 10mm with the simple turn of a nut. Just flip the link to choose between slack or slacker geometry, without negatively affecting suspension performance. A Trek exclusive.
Alpha Platinum Aluminium
Trek's premium lightweight aluminum is continuously cold extruded and butted at multiple points, and hydroformed into sophisticated tube shapes for maximum strength and minimum weight.
Boost 148/110
Wider dropouts (110mm front, 148mm rear) give you the stiffness of a 27.5" wheel with all the benefits of a 29" wheel, and Boost148 in the rear lets you run wider tires and a larger chainring without affecting q-factor and pedaling efficiency.