Trek Fuel+ EX 5 Gen 2 Electric Mountain Bike - Purple
The Fuel+ EX 5 is a quiet and capable electric mountain bike that's up for any trail, at any time....The Fuel+ EX 5 is a quiet and capable electric mountain bike that's up for any trail, at any time. Its Alpha NEXT Platinum aluminium frame delivers a smooth boost from a compact TQ HPR-60 motor, while a Rock Shox fork and X-Fusion shock (145 mm rear, 150 mm front) provide trail-smoothing confidence. A Shimano Deore drivetrain gives you plenty of gears for steep climbs and 4-piston Shimano M4100 hydraulic brakes provide reliable stopping power. Specifications Frameset Frame: Alpha NEXT Platinum aluminium, removable battery, ZS headset, adjustable leverage rate, guided internal routing, interchangeable alloy rocker link, interchangeable lower shock mount, downtube guard, shuttle guard, ABP, UDH, Boost148, adaptable travel 145 mm-160 mm Fork: Rockshox Recon Silver RL, Solo Air spring, Motion Control damper, lockout, tapered steerer, 42 offset, Boost110, 15 mm Maxle Stealth, 150 mm travel Rear Shock: X-Fusion Pro 2, 2-position damper, 205 mm x 60mm Wheels Rims: Bontrager Line TLR 30, Tubeless-Ready Tyres: Bontrager Gunnison Elite XR, Tubeless Ready, wire bead, 60 tpi 29x2. 40 Drivetrain Crankset: Ethirteen Espec Plus, 160 mm length Shifters: Shimano Deore M6100, 12-speed Rear Derailleur: Shimano Deore M6100, long cage Chain: Shimano Deore M6100, 12-speed Cassette: Shimano Deore M6100, 10-51, 12-speed Components Handlebar: Bontrager Comp, alloy, 31. 8 mm, 40mm rise, 780 mm width Stem: Bontrager Comp, 31. 8 mm, 7-degree, 35 mm length Grips: Trek Line Comp, nylon lock-on Brakes: Shimano 4-piston hydraulic disc, MT4100 lever, MT420 calliper Saddle: Bontrager Verse Short, stainless steel rails Seatpost: Tranz X JD-YSI34, 170mm travel, internal routing, 34. 9 mm E-System Motor: TQ-HPR60, 60 Nm, 300 watt maximum continuous rated power, 350 watt peak power Battery: TQ 580Wh Controller: TQ LED display with Bluetooth & ANT+ connectivity Trek Fuel EX+ Sizing SMLXLRider Height (cm) 155 - 165165 - 176177 - 188188 - 195Inseam (cm) 74 - 7879 - 8384 - 8989 - 91
Trek Unisex Black Fuel+ Ex 5 Gen 2 580Wh Electric Full Suspension Mountain Bike And Purple Flip SplatterFree delivery in 1–3 days£3,499.00Visit shop →
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Evans Cycles UKTrek Fuel+ Ex 5 Gen 2 2026 Electric Mountain Bike Large Green
The Trek Fuel+ EX 5 Gen 2 is designed for adventurous riders seeking a capable and quiet electric mountain bike for any trail, any time. Its key benefit lies in the smooth, powerful boost from the compact TQ motor combined with reliable suspension and braking components, offering confidence on challenging terrain. A potential caveat for some users might be the 580Wh battery capacity, which may require careful power management on extended rides. This bike features an Alpha NEXT Platinum aluminum frame, a RockShox Recon Silver RL fork, X-Fusion Pro 2 rear shock, and a Shimano Deore 12-speed drivetrain.
All features
Model Part Number
5335683
Brand
Trek
Extended Product Information
FAQs
What is the expected range of the TQ 580Wh battery?
The range varies greatly depending on factors like rider weight, terrain, assist level, and pedaling effort. Consult the TQ e-bike app for more personalized range estimates and riding modes.
Can I swap the stock tires for a different size?
The frame and fork are designed for 29x2.40" tires. While minor variations might fit, exceeding this size could cause frame or suspension interference. Always check clearance before mounting.
How do I adjust the suspension travel?
The frame allows for adaptable travel between 145 mm and 160 mm by changing the orientation of the lower shock mount. Consult the Trek service manual or a dealer for detailed instructions.
What type of charger is required for the TQ battery?
The bike comes with a specific TQ charger designed for the 580Wh battery. Use only the provided charger to avoid damage to the battery or charging system.
Is this bike suitable for bike park riding?
While the bike is robust and has capable suspension, its design is primarily for trail riding. For demanding bike park use with frequent jumps and drops, a bike with longer travel and burlier components may be more appropriate.
What is the warranty on the Trek Fuel+ EX 5 Gen 2?
Trek typically offers a lifetime warranty on the frame and a limited warranty on components and the e-system. Please refer to the official Trek warranty documentation for specific details.
Can I fit fenders or a rear rack to this bike?
The frame is designed for trail riding and typically does not feature mounts for traditional fenders or rear racks. Accessory compatibility is limited, and specific Trek-approved solutions may be available.
Troubleshooting
Motor does not provide assistance.
Check if the battery is charged and properly inserted. Ensure the TQ LED display is active and no error codes are shown. Verify that assist is enabled via the controller.
Brakes feel weak or spongy.
The hydraulic brake system may need bleeding. Check brake pads for wear and clean rotors. Ensure the brake levers are not loose.
Rear shock is not providing full travel.
Verify that the rear shock is not set to 'lockout' mode via its 2-position damper. Check air pressure if applicable (though this is a coil/damper based shock) and consult X-Fusion documentation for service.
Shifting is imprecise or skipping gears.
Inspect the rear derailleur for damage. Adjust the derailleur cable tension. Ensure the chain and cassette are clean and free from excessive wear.
Tires are not holding air (tubeless setup).
Ensure the Bontrager Line TLR rims and Gunnison Elite XR tires are properly seated. Add or check the amount of tubeless sealant. Inspect tire bead and rim for any damage.
Pros and Cons
Pros
Smooth and quiet TQ motor provides ample assistance for climbs.
Durable Alpha NEXT Platinum aluminum frame with internal cable routing.
Cons
Battery capacity (580Wh) may be limiting for very long or demanding rides without careful management.
Internal routing can make maintenance more complex for some users.
Wire bead tires might require specific sealant for optimal tubeless setup.
Lower shock mount is interchangeable, adding complexity for suspension tuning.
Setup, Compatibility & Care
Initial Setup: Upon receiving the bike, ensure all components are securely fastened. It is highly recommended to have the bike professionally assembled and tuned by a qualified bicycle mechanic to ensure safety and optimal performance. This includes proper installation of the TQ motor system and battery, as well as suspension adjustments.
Compatibility: The bike uses a standard Boost148 rear hub spacing and a Boost110 front hub. The headset is a ZS type. It features an interchangeable alloy rocker link and an interchangeable lower shock mount for suspension tuning. The drivetrain is compatible with UDH (Universal Derailleur Hanger) for easy replacement.
Care:
Cleaning: Regularly clean the frame, drivetrain, and suspension components with water and mild soap. Avoid high-pressure washers, especially on bearings and motor components.
Drivetrain Maintenance: Keep the chain clean and lubricated. The Shimano Deore M6100 drivetrain requires periodic derailleur tuning.
Suspension: Refer to RockShox and X-Fusion manuals for specific service intervals and procedures for the fork and rear shock.
Battery Care: Store the TQ battery in a cool, dry place. Avoid extreme temperatures. Follow TQ's guidelines for charging and storage to maximize battery lifespan.
Brakes: Periodically check brake pad wear and fluid levels. Bleed the hydraulic brakes as needed according to Shimano's recommendations.