Trek Powerfly FS+ 6 Gen 4 2026 electric bike image 01

Overview

The Trek Powerfly FS+ 6 Gen 4 is a capable mountain bike designed for off-road trails, offering strong motor support and confident braking for varied terrain. Its high torque and cadence sensor ensure smooth assistance, while the front and rear suspension provide good comfort on rough roads. The removable battery adds convenience for charging and storage, though the charging time is notably slow, and the bike's weight makes it less easy to lift. While the battery capacity is impressive, the range is somewhat limited for longer rides, requiring careful planning for extended use.

Where to buy

Compared with similar mountain bike e-bikes on Bikkerr, this model sits £265.35 below average

Lowest price now: £5,000.00 Best price ever seen: £5,000.00 Prices update every ~24 hours
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Trek Powerfly FS+ 6 Gen 4
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eBike Overview

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eBike Type: Mountain Bike

The style of riding intended for this bike

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Released: 2026

The bike was released this year

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Screen

Bosch Purion 200

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Lights Included

No

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Weight (inc battery): 25.08 kg

The website average for electric bikes is 24.55 kg. This electric bike is 0.52 kg over the average. Total bike weight may vary depending on frame size.

Esystem & Battery

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Motor Name

Bosch Performance Line CX (Smart System/Gen 5)

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Motor Power

600 watts

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Motor Torque

85 N.m

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Sensor Type

Torque and Cadence Sensor

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Battery Capacity

800 wh

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Claimed Max Range

55 miles (88.5 km)

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Charge Time

6h 0m

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Removable Battery

Yes

Sizing & Geometry

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Min / Max Rider Height

XS | S 155–165 cm (5′1″–5′5″) | M 165–176 cm (5′5″–5′9″) | L 177–188 cm (5′10″–6′2″) | XL 188–195 cm (6′2″–6′5″)

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Adjustable Sizing

Adjustable saddle height

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Folded Dimensions

n/a

Wheel & Tire Details

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Wheelset Name

Bontrager Line TLR 30, Tubeless Ready, 28-hole

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Wheelset Size

29 inch

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Tires

Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40"

Frame Info

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Frame Material

Aluminium

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Suspension Type

Front and Rear suspension

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Foldable Frame

No

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Max Payload

136 kg (299.8 lbs)

Drivechain Details

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Groupset details

Shimano SLX M7100 12-speed

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Drivechain type

Chain drive

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Shifters

Shimano SLX M 7100, 12-speed

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Amount of gears

12 Gears

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Rear Derailleur

Shimano XT M 8100

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Front Derailleur

None

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Cassette

Shimano Deore M 6100, 10-51 T, 12-speed

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Cranks

FSA CK-220 (165 mm length)

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Chain

Shimano Deore M 6100, 12-speed

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Bottom Bracket

Integrated within the Bosch drive unit

Brakes

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Brakes

Shimano M6100 lever with M6120 4-piston hydraulic disc calipers and Shimano RT64 203 mm rotors

Hydraulic Disc Brake

Brake Type: Hydraulic Disc Brake

Hydraulic operated discs brakes (Very good)

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Brake Rotors

203 mm rotors front and rear

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Shifters

Shimano SLX M 7100, 12-speed

Other Components

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Saddle

Unknown

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Handlebars

Unknown

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Bar Tape

Unknown

Manufactures Info

Worldwide Shipping: Yes

Delivery across the globe!

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Warranty: 2 Years

Limited warranty website average: 3.12 years

Take on even the roughest terrains and embarking on off-road adventures with the 2025 Powerfly FS+ 6 Gen 4 by TREK. This full-suspension electric mountain bike is a gamechanger in outdoor exploration. Touting 130mm of trail-softening travel at the front and 120mm at the rear, it guarantees smooth rides no matter how bumpy the terrain. Designed to level up your outdoor journey, this e-MTB is powered by a Bosch Performance Line CX motor and a Remov ... Read More