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

The Fuel EX 8 GX AXS is an evolved trail bike, dialled 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 150 mm 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 150 mm 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 set-up.

Why you'll love it

• The Fuel EX Gen 6 gives you 140/150 mm of travel and slack, adjustable geometry for an extra capable ride, plus, in-frame storage on all models – even alloy
• 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
• With the adjustable angle headset (angled cups sold separately) and Mino Link, you can choose from six different geometry configurations
• The dropper post lets you lower your saddle on the fly so it's out of the way on descents
• 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

The final word

For the rider who doesn't want to be limited on the trail, the 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.