Fuel EX AL is an aluminium full suspension mountain bike frame set that makes the perfect start for a capable trail bike build. Trail-tough alloy tubes, the latest in Trek trail bike frame tech and a 130 mm of travel with a RE:aktiv shock make it a great choice for riders who want a bike that can handle everything from serious all-mountain riding to endurance races.

You ride more than one type of trail, so you're searching for a versatile trail bike platform that will give you the best bones for a ride that's quick and capable on a variety of terrains.

A lightweight Alpha Platinum Aluminium frame with 130 mm of travel and Mino Link adjustable geometry, a FOX Performance shock with Trek's exclusive RE:aktiv damper and an included Bontrager Line stem and Knock Block headset that prevents damage to the frame from spinning handlebars and fork crowns. Built for a PF92 bottom bracket and a 140 mm fork.

Fuel EX AL is burly enough for big features but agile enough for fast group rides and even endurance races. It's a great all-around frameset for the mountain biker who doesn't want to do just one kind of riding, but wants to explore all kinds of terrain on a single full-suspension trail bike.
- RE:aktiv is firm when you're pedalling and plush over bumps
- This bike is perfect for shredding singletrack, hitting drops and pushing your limits in multi-stage and marathon events
- Internal cable routing and Control Freak Cable Management make it easy to spec with quality trail bike tech, like a dropper post
- We expanded our size range from XS through XL to ensure a better fit for all riders
- Control Freak Cable Management allows you to run any combination of cables exactly the way you want, while still giving you sleek looks and protecting your cables against unnecessary wear

Will my bike have a curved top tube?
Smaller frames (XS and S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frames (M and up) have a straight top tube because taller riders with longer legs typically don?t have the same issues with standover height.

Active Braking Pivot
Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.

RE:aktiv
RE:aktiv technology gives you firm support for efficient pedaling that instantly gives way for smooth control when the trail turns rough.

Straight Shot w/Knock Block
Trek's Straight Shot frame design optimises the stiffness-to-weight ratio for a more responsive ride. You'll be able to push harder and stay more planted on your line when the going gets rough.