Trek Fuel EX 2026 Review: The Do-It-All Trail Bike That Actually Does It All

The Mountain Bike That Refuses to Be Categorised

The Fuel EX occupies that glorious sweet spot where trail bike meets light enduro. With configurable travel from 145mm up to 160mm rear / 170mm front, it adapts to whatever you throw at it. For most UK riders, this is the only mountain bike you need.

Key Specifications (EX Configuration)

The Configurable Platform

What makes the Gen 7 Fuel special is Trek's Mino Link and flip-chip system. You can adjust:

• Rear travel: 145mm to 160mm
• Head angle: ±0.5°
• Bottom bracket height: ±6mm
• Wheel size: full 29" or mullet (29/27.5)

This means one frame can be your XC-light trail bike on Saturday and your enduro-lite rig for Sunday's uplift session.

Trail Performance

On UK trails, the Fuel EX is exceptional. It climbs efficiently enough for all-day epics, descends with confidence through gnarly terrain, and handles everything in between without complaint. The suspension is plush but supportive, the geometry is progressive but not extreme, and the whole package feels balanced.

Whether you're threading through Surrey Hills singletrack or charging the reds at Afan, the Fuel EX adapts.

Climbing Prowess

Unlike the Slash, the Fuel EX actually enjoys going uphill. Efficient pedalling platform, manageable weight, and a seated position that encourages spinning. You won't be fastest up the hill, but you won't be dreading it either.

Descending Capability

In 160mm/170mm configuration, the Fuel EX handles seriously rough terrain. It won't match the Slash on full-gas DH sections, but it'll handle 90% of what UK trails offer with confidence and speed. The slightly steeper head angle (vs Slash) makes it more nimble in tight, techy sections.

Who Should Buy the Fuel EX?

• Riders who want ONE mountain bike for everything
• All-day adventurers who climb and descend equally
• Trail centre regulars who ride reds and blacks
• Riders stepping up from hardtails
• Anyone who values versatility over specialisation

The Verdict

The Fuel EX Gen 7 is the most versatile mountain bike Trek makes. It's not the fastest downhill, nor the most efficient uphill, but it does both exceptionally well. For UK riders who want one bike that covers 95% of all riding scenarios, this is it.

Rating: 9.2/10

Compare to the gravity-focused Slash or optimise your setup with our suspension guide.