Trek Powerfly FS+ 4 Gen 4 - 800Wh

Name: Trek Powerfly FS+ 4 Gen 4 - 800Wh
Brand: Trek
SKU: ysh6z3xoqa
Availability: InStock

The Trek Powerfly FS+ 4 Gen 4 is a full-suspension electric mountain bike built for riders who wan...

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Trek Unisex Red Powerfly Fs+ 4 Gen 4 800Wh Full Suspension Electric Mountain Bike Fury

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TredzTrek Fury Red / Dark Star Gloss Powerfly Fs+ 800 Gen Size 4

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Product Information

Full details

The Trek Powerfly FS+ 4 Gen 4 is designed for mountain bikers looking to tackle demanding terrain, steep climbs, and long-distance trails with the added boost of a high-performance electric drive system. Its combination of a full-suspension chassis and a high-capacity 800Wh battery allows for extended range and comfort, making it ideal for adventurous explorers; however, the heavy nature of an eMTB means it requires more logistical planning for transport and storage compared to a traditional bike.

All features

Model Part Number	5349582
Brand	Trek

Extended Product Information

FAQs

How long does it take to fully charge the 800Wh battery?

Charging times vary based on the charger output, but you should generally expect a full charge to take several hours; it is recommended to charge at room temperature.

Can I replace the battery myself?

Yes, the Removable Integrated Battery (RIB) system is designed for simple, tool-free removal and installation.

Is the bike waterproof?

The electrical components are water-resistant, but you should avoid submerging the bike or using a pressure washer, which can force water into sensitive seals.

How often should I service the suspension?

Trek recommends a full suspension service according to the RockShox maintenance schedule, typically every 50 to 100 hours of ride time.

Can I change the tyres to a different width?

The frame has clearance constraints; always consult a professional mechanic to ensure new tyres are compatible with your rim width and frame clearance.

Troubleshooting

Motor assistance feels intermittent or weak

Check the battery connection to the frame and ensure the speed sensor magnet on the rear wheel is correctly aligned.

eBike Flow app cannot connect to the bike

Verify that Bluetooth is enabled on your smartphone and that the bike system is awake by pressing the power button.

Excessive noise during braking

Inspect the Tektro hydraulic brake pads for wear and ensure the rotors are free of oil, grease, or dirt buildup.

Pros and Cons

Pros

Powerful 800Wh battery provides exceptional range for long-distance trail exploration.
Full-suspension geometry significantly improves comfort and control on rough technical terrain.
Bosch Performance Line CX system is highly regarded for its smooth, reliable power delivery.
RIB system makes battery management and security incredibly user-friendly.
29-inch wheels with Bontrager Gunnison tyres offer superior rollover capability and traction.

Cons

Overall weight can make the bike difficult to lift over trail obstacles or onto high bike racks.
High-capacity battery and motor system lead to a higher overall purchase cost.
Demands regular maintenance on suspension components to ensure long-term performance.
Requires specific technical knowledge for electronic system diagnostics.

Setup, Compatibility & Care

Before your first ride, ensure the battery is fully charged via the RIB system. It is critical to set your suspension sag based on your body weight to achieve the 130mm/120mm travel effectiveness intended by the design. For care, avoid using high-pressure water sprayers directly on the motor, battery housing, or pivot points, as moisture can damage internal electronics. Keep the Shimano CUES chain clean and lubricated to ensure crisp shifting, and regularly check that all frame bolts and pivots are torqued to manufacturer specifications. Always use the Bosch eBike Flow app to check for firmware updates, which can often improve motor efficiency and connectivity features.