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Trek Fuel EX 8 GX AXS T-Type (Gen 6) Full Suspension Bike 2025

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Trek Fuel EX 8 GX AXS T-Type (Gen 6) Full Suspension Bike 2025

Trek Fuel EX 8 GX AXS T-Type (Gen 6) Full Suspension Bike 2025

Trek Fuel EX 8 GX AXS T-Type (Gen 6) Full Suspension Bike 2025

Fuel EX 8 GX AXS is an evolved trail bike, dialed for riders who chase down rowdy descents, and want a bike that's happy to pedal back to the top and do it again. The lightweight alloy frame pairs with a upgraded electronic wireless 12-speed SRAM GX Eagle transmission, while a 150mm FOX Rhythm fork cushions the blow from rocks and roots. In-frame storage and adjustable geometry give you all the perks that the come with the carbon model, but without the lofty price tag. 

It's right for you if...

You want a full suspension trail bike that floats over rough and technical terrain, and packs in plusses, like a root-slaying FOX Rhythm fork, and tubeless hoops.

The tech you get

A light and stiff alloy frame with 150mm FOX Rhythm fork with Float EVOL air spring and GRIP damper for small bump compliance, plus a FOX Performance Float X rear shock. SRAM's latest wireless GX Eagle AXS 12-speed transmission for snappy shifting, and Tubeless Ready Bontrager wheels. Plus, adjustable geometry that lets you take control of your setup.

The final word

For the rider who doesn't want to be limited on the trail, Fuel EX 8 is ready to handle everything. Its progressive trail geometry is built to keep you charging, and upgraded components are the cherry on top.

Why you'll love it

  1. Fuel EX Gen 6 gives you 140/150mm of travel and slack, adjustable geometry for an extra capable ride, plus, in-frame storage on all models — even alloy
  2. You'll get upgraded components where it matters most, with SRAM's latest GX Eagle AXS wireless electronic transmission for the smoothest shifting under load
  3. With the adjustable angle headset (angled cups sold separately) and Mino Link, you can choose from six different geometry configurations
  4. The dropper post lets you lower your saddle on the fly so it's out of the way on descents
  5. We expanded our size range to ensure a better fit for all riders, and use the best-fitting wheels for each frame size: XS frames get 27.5˝ wheels, S frames get to choose between 27.5˝ or 29˝, and sizes M and up get 29˝ wheels.

TECHNICAL SPECIFICATION

*Please note - spec applies to all sizes unless listed separately


Frameset
Frame    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
*Fork    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
Shock    Fox Performance Float X, 2-position damper, 185mm x 55mm
Max compatible fork travel    160mm, XS/S: 150mm

Wheels
*Wheel 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''
*Wheel rear    Size: XS , S
Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 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''
Skewer rear    Bontrager Switch thru axle, removable lever
*Tire    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''
Tire part    Bontrager TLR sealant, 180 ml/6 oz
Rim strip    Bontrager TLR
Max tire size    Frame: 29x2.50" (XS & S: 27.5x2.50"), Fork: See manufacturer

E-system
Battery    SRAM eTap battery pack (with charger)

Drivetrain
Shifter    SRAM AXS POD
Rear derailleur    SRAM GX Eagle AXS, T-Type
Crank    SRAM GX Eagle, T-Type, DUB, 30T, 55mm chainline, 170mm length
Bottom bracket    SRAM DUB MTB Wide, 73mm, BSA threaded
Cassette    SRAM Eagle XS-1275, T-Type,10-52, 12 speed
Chain    SRAM GX Eagle, T-Type, 12 speed
Max chainring size    1x: 34T round, 32T oval, min 28T

Components
Saddle    Bontrager Verse P3, chromoly rails
*Seatpost    Size: XS , S
Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length
Size: M , ML
Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm length
Size: L , XL , XXL
Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 4500mm 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, 35mm, 27.5mm rise, 780mm width
Grips    Bontrager XR Trail Elite, nylon lock-on
*Stem    Size: XS , S
Bontrager Elite, 35mm, 0 degree, 35mm length
Size: M , ML , L , XL , XXL
Bontrager Elite, 35mm, 0 degree, 45mm length
Headset    Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible
Brake    SRAM DB 8 4-piston hydraulic disc
*Brake rotor    Size: XS , S , M , ML , L , XL , XXL
SRAM CenterLine, 6-bolt, round edge, 180mm
Size: XS , S , M , ML , L , XL , XXL
SRAM CenterLine, 6-bolt, round edge, 200mm
Rotor size    Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer

Accessories
Bag    Bontrager BITS Internal Frame Storage Bag

Weight
Weight    M - 15.88 kg / 35.01 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).


We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.

Select Color
Select Size
From $1,140.00

Original: $3,799.99

-70%
Trek Fuel EX 8 GX AXS T-Type (Gen 6) Full Suspension Bike 2025

$3,799.99

$1,140.00

Product Information

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Description

Trek Fuel EX 8 GX AXS T-Type (Gen 6) Full Suspension Bike 2025

Fuel EX 8 GX AXS is an evolved trail bike, dialed for riders who chase down rowdy descents, and want a bike that's happy to pedal back to the top and do it again. The lightweight alloy frame pairs with a upgraded electronic wireless 12-speed SRAM GX Eagle transmission, while a 150mm FOX Rhythm fork cushions the blow from rocks and roots. In-frame storage and adjustable geometry give you all the perks that the come with the carbon model, but without the lofty price tag. 

It's right for you if...

You want a full suspension trail bike that floats over rough and technical terrain, and packs in plusses, like a root-slaying FOX Rhythm fork, and tubeless hoops.

The tech you get

A light and stiff alloy frame with 150mm FOX Rhythm fork with Float EVOL air spring and GRIP damper for small bump compliance, plus a FOX Performance Float X rear shock. SRAM's latest wireless GX Eagle AXS 12-speed transmission for snappy shifting, and Tubeless Ready Bontrager wheels. Plus, adjustable geometry that lets you take control of your setup.

The final word

For the rider who doesn't want to be limited on the trail, Fuel EX 8 is ready to handle everything. Its progressive trail geometry is built to keep you charging, and upgraded components are the cherry on top.

Why you'll love it

  1. Fuel EX Gen 6 gives you 140/150mm of travel and slack, adjustable geometry for an extra capable ride, plus, in-frame storage on all models — even alloy
  2. You'll get upgraded components where it matters most, with SRAM's latest GX Eagle AXS wireless electronic transmission for the smoothest shifting under load
  3. With the adjustable angle headset (angled cups sold separately) and Mino Link, you can choose from six different geometry configurations
  4. The dropper post lets you lower your saddle on the fly so it's out of the way on descents
  5. We expanded our size range to ensure a better fit for all riders, and use the best-fitting wheels for each frame size: XS frames get 27.5˝ wheels, S frames get to choose between 27.5˝ or 29˝, and sizes M and up get 29˝ wheels.

TECHNICAL SPECIFICATION

*Please note - spec applies to all sizes unless listed separately


Frameset
Frame    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
*Fork    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
Shock    Fox Performance Float X, 2-position damper, 185mm x 55mm
Max compatible fork travel    160mm, XS/S: 150mm

Wheels
*Wheel 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''
*Wheel rear    Size: XS , S
Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 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''
Skewer rear    Bontrager Switch thru axle, removable lever
*Tire    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''
Tire part    Bontrager TLR sealant, 180 ml/6 oz
Rim strip    Bontrager TLR
Max tire size    Frame: 29x2.50" (XS & S: 27.5x2.50"), Fork: See manufacturer

E-system
Battery    SRAM eTap battery pack (with charger)

Drivetrain
Shifter    SRAM AXS POD
Rear derailleur    SRAM GX Eagle AXS, T-Type
Crank    SRAM GX Eagle, T-Type, DUB, 30T, 55mm chainline, 170mm length
Bottom bracket    SRAM DUB MTB Wide, 73mm, BSA threaded
Cassette    SRAM Eagle XS-1275, T-Type,10-52, 12 speed
Chain    SRAM GX Eagle, T-Type, 12 speed
Max chainring size    1x: 34T round, 32T oval, min 28T

Components
Saddle    Bontrager Verse P3, chromoly rails
*Seatpost    Size: XS , S
Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length
Size: M , ML
Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm length
Size: L , XL , XXL
Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 4500mm 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, 35mm, 27.5mm rise, 780mm width
Grips    Bontrager XR Trail Elite, nylon lock-on
*Stem    Size: XS , S
Bontrager Elite, 35mm, 0 degree, 35mm length
Size: M , ML , L , XL , XXL
Bontrager Elite, 35mm, 0 degree, 45mm length
Headset    Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible
Brake    SRAM DB 8 4-piston hydraulic disc
*Brake rotor    Size: XS , S , M , ML , L , XL , XXL
SRAM CenterLine, 6-bolt, round edge, 180mm
Size: XS , S , M , ML , L , XL , XXL
SRAM CenterLine, 6-bolt, round edge, 200mm
Rotor size    Max brake rotor sizes - Frame: 203mm, Fork: see fork manufacturer

Accessories
Bag    Bontrager BITS Internal Frame Storage Bag

Weight
Weight    M - 15.88 kg / 35.01 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).


We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.