Trek Fuel EX 8 GX Full Suspension MTB Bike

Original price was: €3,500.Current price is: €3,200.


Buy Trek Fuel EX 8 GX Full Suspension Bike

The Fuel EX 8 is the ideal trail bike for riders who want a versatile, full-suspension grenade that makes grueling climbs less painful, but at the same time excels on rough trails. This bike offers the perfect combination of price and performance in the MTB model range due to the high-end components and the robust and light aluminum frame.

It’s the right bike for you if…

… you like to take off with your bike, but you also like to go on extravagant single-trail adventures. You want a fully trail-ready bike where your priority is the parts.

You get this equipment

A light aluminum frame, a FOX Rhythm 34 suspension fork with 140 mm travel, and a particularly efficient RE: Aktiv damper with 130 mm travel. In addition, an SRAM GX Eagle 1×12 drive with an extra-large 52-tooth sprocket for the steepest climbs and a Bontrager Line Vario seat post.

The final word

The Fuel EX 8 scores with its high-efficiency thanks to SRAM’s latest drive with a particularly wide range of gear ratios and Trek’s unique RE: Aktiv damper, which remains firm when pedaling but still reacts sensitively to bumps.

Active Braking Pivot

Active Braking Pivot allows our engineers to fine-tune how the suspension responds independently to acceleration and braking forces. This gives you more confidence in critical situations.

RE: Aktiv

The RE: Aktiv technology ensures firm damping support when pedaling, but responds to bumps and bumps without delay when the trail gets rougher.

Straight Shot with Knock Block

Trek’s Straight Shot frame design optimizes the stiffness-to-weight ratio for a more responsive ride. This allows you to drive even harder without losing ground contact even in tricky situations.

Alpha Platinum Aluminum

Our premium, lightweight aluminum is continuously cold extruded and multi-butted, then hydroformed into complex tube profiles for maximum strength and minimum weight.

Geometry adjustable via Mino Link

Adjust the steering angle (by 0.5°) and the bottom bracket height (by up to 10 mm) by simply turning a threaded nut. Turn the threaded nut and choose between slack and an even slacker geometry without affecting the performance of the chassis. Exclusive to Trek.

Control Freak Cable Routing System

The lightest, quietest, and most versatile cable routing system allows any combination of derailleur, brake, lockout and dropper post routing through the frame for a clean look and the ultimate custom setup.


Wider dropouts (110mm front, 148mm rear) provide the stiffness of a 27.5″ wheel and offer all the advantages of a 29er. And with Boost148 on the rear wheel, you can run wider tires and a larger chainring without the Q-factor and the propulsion efficiency suffer.

Specifications Of Trek Fuel EX 8 GX Bike

Product Trek Fuel EX 8 GX Bike
Model Year 2021
Riding Type Trail
Rider Unisex
Sizes and Geometry
XS 27.5″ (high, low), SM 27.5″ (high, low), SM 29″ (high, low), MD 29″ (high, low), ML 29″ (high, low), LG 29″ (high, low), XL 29″ (high, low), XXL (high, low)
Wheel Size 27.5″ (650b), 29″
Frame Material Aluminum
Frame Material Details Alpha Platinum Aluminum, magnesium rocker link, molded down tube and chainstay protection
Rear Travel 130mm
Rear Shock FOX FLOAT Performance, EVOL, RE:aktiv 3-position damper, tuned by Trek Suspension Lab
27.5″: 210mm x 52.5mm; 29″: 210mm x 55mm
Fork FOX FLOAT 34 Rhythm, EVOL, GRIP damper, 44mm offset
Fork Travel 140mm
Head Tube Diameter Tapered, 1.125″ top, 1.5″ bottom
Headset Trek Knock Block Integrated, 58° radius, cartridge bearing
Handlebar Bontrager Line, alloy, 35mm clamp diameter, 27.5mm rise, 750mm width (XS/SM), 780mm width (MD/ML/LG/XL/XXL)
Stem Bontrager Line, 35mm bar clamp, Knock Block compatible, 0° rise
Length: 40mm (XS/SM), 50mm (MD/ML/LG/XL/XXL)
Brakes SRAM G2 R, 4-piston, SRAM CenterLine 6-bolt rotors (200mm front [MD/ML/LG/XL/XXL], 180mm front [XS/SM], 180mm rear)
Brake Levers SRAM G2 R
Drivetrain 1x
Shifters SRAM GX Eagle, 12-speed
Front Derailleur None
Rear Derailleur SRAM GX Eagle, 12-speed
Chainguide None
Cranks SRAM X1 Eagle DUB
Length: 170mm (XS/SM), 175mm (MD/ML/LG/XL/XXL)
Chainrings SRAM X1 Eagle, 30 tooth, steel
Bottom Bracket SRAM DUB, 92mm PressFit
Pedals None
Chain SRAM GX Eagle, 12-speed
Cassette SRAM GX Eagle XG-1275, 12-speed, 10-52 tooth
Rims Bontrager Line Comp 30, tubeless-ready
Hubs Bontrager Line Comp 30 wheelset, 6-bolt rotor mounts, 110x15mm Boost front, 148x12mm Boost rear with 54 tooth Rapid Drive freehub, and XD driver
Spokes Bontrager Line Comp 30 wheelset
Tires Bontrager XR4 Team Issue, tubeless-ready, Inner Strength sidewalls, aramid bead, 120 TPI, 2.6″ (front), 2.4″ (rear)
Saddle Bontrager Arvada, hollow Chromoly rails, 138mm width
Seatpost Bontrager Line dropper
Drop: 100mm (XS/SM), 150mm (MD/ML/LG/XL/XXL)
Seatpost Diameter 31.6mm
Seatpost Clamp Single-bolt
Rear Dropout / Hub Dimensions 148x12mm Boost
Max. Tire Size 2.6″
Bottle Cage Mounts One inside front triangle (only on MD and larger sizes)
Colors Dark Aquatic/Trek Black, Rage Red to Dnister Black Fade
Warranty Lifetime frame and wheels; 2 years Trek/Bontrager parts, suspension linkage components, and paint/decals
Weight 30 lb 6.1 oz (13,780 g)
Miscellaneous XS gets 27.5″ wheels, SM gets 27.5″ or 29″ wheels, MD/ML/LG/XL/XXL get 29″ wheels
ABP (Active Braking Pivot) suspension system
Geometry adjustable via Mino Link flip chip in rear rocker link pivot
Straight Shot frame design with Knock Block steerer stop
Control Freak internal cable routing
Weight given for MD frame with tire sealant (no tubes)
Includes Bontrager TLR rim strips, tubeless valves, and sealant


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