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 line-up by combining high-end parts with a stout but light alloy frame.
Trek Fuel EX GX 8 2021
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, 15 mm Kabolt axle, 140 mm travel
*Shock
Size: XS , S
Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 210x52.5 mm
Size: S , M , ML , L , XL , XXL
Fox Performance Float EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab, 210x55 mm
Front wheel
Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle
Rear wheel
Bontrager Line Comp 30, Tubeless Ready, 6-bolt, 54T Rapid Drive, SRAM XD driver, Boost148, 12 mm thru axle
Front hub
Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Spokes
DT Swiss Champion, J-Bend, Black
*Tyre
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"
Tyre part
Bontrager TLR valve, 50 mm
Shifter
SRAM GX Eagle, 12-speed
Rear derailleur
SRAM GX Eagle
Bottom bracket
SRAM DUB, 92 mm, PressFit
Cassette
SRAM Eagle XG-1275, 10-52, 12-speed
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, alloy 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
- A wider gear range and more efficient suspension help you claw your way up tricky climbs you never thought you'd clean
- If you measure quality in performance per pound, you won't do better than Fuel EX 8
- This bike will make you want to rail every corner, smash every rock garden and charge every descent
- The shifter-style, underbar remote dropper post lever is super intuitive and easy to use
- 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