Trek Powerfly FS+ 6 Gen 4 Electric Mountain Bike - Era White and Buff Beige

The Powerfly FS+ 6 is a full-power, full-suspension electric mountain bike designed to take you be...

Best current price£3,999.00from Team Cycles

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Team CyclesTrek Unisex Black Powerfly Fs+ 6 Gen 4 800Wh Full Suspension Electric Mountain Bike Gloss Dark Star And Matte Dark Web
Free delivery in 1–3 days
£3,999.00
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TredzTrek Gloss Dark Star/Matte Dark Web Powerfly Fs+ Gen 4 Size 6
Free delivery in 1–3 days
£4,255.00
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Evans Cycles UKTrek Powerfly Fs+ 6 Gen 4 2026 Electric Mountain Bike Medium Black
£4.99 delivery
£4,499.00
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Product Information

Full details

The Trek Powerfly FS+ 6 Gen 4 is designed for adventurous riders seeking to conquer challenging trails and extend their riding range. Its key benefit is the combination of full suspension, a powerful Bosch motor, and a long-lasting 800 Wh battery, allowing for exploration on rough terrain and longer distances. A potential consideration is its robust build, which may offer a different ride feel compared to lighter, non-electric bikes.

All features

Model Part Number5329738
BrandTrek

Extended Product Information

FAQs

What is the expected range of the 800 Wh battery?

The range depends heavily on factors like rider weight, terrain, assist level, and pedaling effort. However, the 800 Wh battery is designed to offer significantly extended range compared to smaller batteries, often enabling rides of 50-100+ miles (80-160+ km) under optimal conditions.

How do I remove the battery for charging?

The battery typically releases via a key mechanism or a lever, allowing it to slide out of the frame. Refer to the specific instructions in your owner's manual for the exact procedure.

Can I use this bike for commuting?

Yes, while designed for trails, its powerful motor and long-range battery make it capable for commuting, especially if your commute involves hills or rougher terrain. Adding accessories like fenders and racks can enhance its utility for commuting.

What type of terrain is this bike best suited for?

This bike is optimized for trail riding, including technical singletrack, rocky, and root-filled paths, as well as moderate to steep climbs and descents. The full suspension and powerful motor provide capability on a wide variety of off-road surfaces.

How much maintenance does an electric mountain bike require?

An e-mountain bike requires similar maintenance to a standard mountain bike (drivetrain, brakes, suspension), plus specific care for the electric system, primarily battery charging and ensuring the motor unit is kept clean. Regular checks of the electrical connections are also advisable.

What is the warranty period?

Warranty information can vary. Please refer to the official Trek warranty documentation for the most accurate details regarding frame, components, and the electric system.

Troubleshooting

Motor not providing assistance

Ensure the battery is charged and properly seated. Check that the display unit is correctly connected and that the system is powered on. Verify that the speed sensor is clean and properly aligned.

Brakes feel weak or spongy

Check brake pad wear. Inspect brake lines for leaks. Brakes may require bleeding; consult a qualified mechanic if unsure.

Suspension feels harsh or unresponsive

Verify correct air pressure in the fork and rear shock based on rider weight and terrain. Ensure suspension lockouts are disengaged. If problems persist, a service by a suspension specialist may be needed.

Battery not charging

Ensure the charger is plugged in and the outlet is functional. Clean the battery contacts and charger connection points. Try a different outlet or charger if possible.

Pros and Cons

Pros

  • Excellent suspension for tackling rough terrain.
  • Long-range capability due to the 800 Wh battery.
  • Powerful Bosch motor provides ample assistance.
  • Reliable and powerful hydraulic disc brakes for safety.
  • Durable Alpha Platinum Aluminium frame.

Cons

  • Heavier than non-electric mountain bikes due to motor and battery.
  • Full suspension adds complexity and weight.
  • Requires specific charging infrastructure for the large battery.

Setup, Compatibility & Care

Initial Setup: Upon receiving the bike, ensure all components are securely fastened. It is highly recommended to have the bike assembled and inspected by a qualified bicycle mechanic. This includes checking brake adjustments, gear indexing, and suspension settings.

Battery Care: The 800 Wh Removable Integrated Battery (RIB 2.0) should be charged using the dedicated Bosch charger. Store the battery in a cool, dry place, ideally between 10-20°C (50-68°F), and avoid complete discharges for maximum longevity. The battery can be removed for charging indoors.

Maintenance: Regular cleaning with mild soap and water is recommended. Avoid high-pressure washers, especially near bearings and the motor. Check tire pressure regularly. The drivetrain (chain, cassette, chainrings) and brake pads will require periodic inspection and maintenance based on riding conditions and mileage. Refer to the owner's manual for detailed maintenance schedules.

Compatibility: The bike is designed to work with specific Bosch e-bike system components. Accessories like lights, fenders, and racks may require specific mounting points. Consult the Trek website or a dealer for compatible accessories.

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