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Aluminium full-suspension electric mountain bike Trek Powerfly+ FS 4 Equipped CUES mercury/dark web 10-speed

Aluminium full-suspension electric mountain bike Trek Powerfly+ FS 4 Equipped grey: Bosch CX 600 Wh, 26.50 kg

€3,899.00 Incl. Tax

~~€4,299.00~~ MSRP

Recommended supplier selling price in 2026

Color

Gris et Noir

Size

Size charts

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Description
Product Details

Trek Powerfly+ FS 4 Equipped Mercury: commuting to work by the trails

The Trek Powerfly+ FS 4 Equipped Gen 4 is a full-suspension electric mountain bike delivered ready for commuting: mudguards, MIK-compatible rear rack and Pletscher kickstand. It keeps the Bosch CX motor, 600 Wh battery and RockShox suspension (130 mm front, 120 mm rear), for 26.50 kg in size M (Trek figure). The Mercury/Dark Web finish contrasts a light metallic grey with a deep black.

Technical specifications

Frame	Alpha Platinum aluminium, removable integrated RIB 2.0 battery, Motor Armor protection, Mino Link adjustable geometry, adjustable suspension leverage, ABP, UDH hanger, Boost148, rack and mudguard mounts
Motor	Bosch Performance Line CX, 250 W rated, assist up to 25 km/h (European version)
Battery	Bosch PowerTube 600 Wh, smart system
Controls / display	Bosch Purion 200
Suspension	RockShox Recon Silver Solo Air 130 mm with lockout and mudguard mounts / RockShox Deluxe Select R 210x50 mm, 120 mm
Drivetrain	Shimano CUES U6000 GS 1x10, 36T chainring, LinkGlide LG300 11-48 cassette, LG500 chain
Brakes	Tektro Gemini SL 4-piston hydraulic, Tektro 203 mm rotors
Wheels / tyres	Bontrager Line TLR 30 rims, Shimano TC500 hubs / Gunnison Pro XR 2.40 (29 in, 27.5 in for S)
Equipment	Trek Powerfly mudguards (27.5 or 29 in depending on size), MIK-compatible aluminium rear rack, Pletscher Comp Flex 18 kickstand
Saddle / seatpost	Bontrager Commuter Comp / Bontrager Line Dropper 100 mm (S) or 170 mm (M to XL)
Weight	26.50 kg in size M (Trek figure, with tubeless sealant, no inner tubes)

At a glance

✓ Bosch CX motor, 600 Wh battery	✓ Front and rear mudguards
✓ MIK-compatible rack	✓ Pletscher kickstand and Commuter saddle
✓ 130 / 120 mm suspension	✓ 26.50 kg in size M

Who is it for?

For the commuter who lives in a village around Béziers and wants to get to work while avoiding the main road, along vineyard tracks and dirt roads. It also doubles as a leisure bike at the weekend, without removing a thing.

The LVR workshop view

An alloy frame designed to be kitted out. A mountain bike frame that also has to carry panniers needs solid mounting points: this one has rack and mudguard mounts built in from the factory, which avoids makeshift clamps on the seatstays. Alpha Platinum aluminium copes well with this dual use, and the RIB 2.0 battery comes out one-handed for charging at the office or at home.

	Alpha Platinum (Powerfly+ FS)	Alpha NEXT Platinum (Fuel+ EX 8)	OCLV Mountain (Rail+ 9.7 / 9.8)
Level	Versatile aluminium, ready to be kitted out	Premium mountain bike aluminium	High-end mountain bike carbon
Construction	Integrated rack and mudguard mounts	Slimmer tubes, no utility role	OCLV lay-up focused on impact resistance
Reference bike	Powerfly+ FS 4 Equipped, 26.50 kg (M)	Fuel+ EX 8	Rail+ 9.8, 23.98 kg (M)
What it means	Commutes and trails on the same bike	Sportier, nothing for carrying loads	Lighter, no urban kit

Put simply: compared with the standard FS 4 (25.28 kg), the Equipped pack adds 1.22 kg on the scales, but also a rack, two mudguards and a kickstand fitted and adjusted at the factory. Buying these accessories afterwards costs workshop time and doesn't always give such a clean fit.

On a mixed tarmac and trail commute, the rear suspension does more than add comfort: it stops the rack and its load from banging over every rut. The mudguards, matched to the wheel size, keep you clean after a shower, which makes all the difference when you arrive at the office.

The Bosch CX assist stops at 25 km/h, as European regulations require for a 250 W rated motor; that is rarely a limitation on trails, more so on road sections. The wider Bontrager Commuter Comp saddle is designed for long spells in the saddle.

Which Powerfly+ FS should you choose?

Model	Motor / battery	Rear / front travel	Drivetrain	Weight (M)
Powerfly+ FS 4	Bosch CX / 600 Wh	120 / 130 mm	Shimano CUES 10-speed	25.28 kg
Powerfly+ FS 4 Equipped	Bosch CX / 600 Wh	120 / 130 mm	CUES 10-speed + rack	26.50 kg
Powerfly+ FS 4 Equipped 800 Wh	Bosch CX / 800 Wh	120 / 130 mm	CUES 10-speed + rack	28.30 kg
Powerfly+ 4 Equipped 800 Wh (hardtail)	Bosch CX / 800 Wh	– / fork only	CUES 10-speed + rack	27.20 kg

Our take: compared with the bare FS 4 (25.28 kg), the Equipped weighs 1.22 kg more with all its commuting kit. If your commutes are long, the FS 4 Equipped 800 Wh (28.30 kg) goes bigger on the battery but weighs a further 1.80 kg.

LVR sizing advice

For mixed commuting and trail use, go for the size that lets you put a foot down easily when you stop: with a loaded rack, standover matters. Size S runs 27.5 inch wheels, with mudguards to match that wheel size.

Size	S	M	L	XL
Rider height (cm)	155-165	165-177	177-188	188-195
Inseam (cm)	74-78	79-83	84-89	89-91
Dropper post (mm)	100	170	170	170
Wheels (in)	27.5	29	29	29

Source: Trek size guide. Bike fitting available in our Béziers shop.

Your questions

How much load does the rack take?	It is aluminium and MIK-compatible; we can advise you on suitable panniers in store.
Can I remove the mudguards in summer?	Yes, they come off; the frame keeps its mounts so you can refit them in autumn.
Does the kickstand get in the way on the trail?	No, the Pletscher Comp Flex 18 folds up along the chainstay.
Where can I charge it at work?	The battery comes out of the frame (RIB 2.0) and charges from a standard socket.

The LVR Cycles verdict

A full-suspension e-MTB that replaces the car on country commutes and remains a real mountain bike at the weekend. Its mercury grey and black fits in anywhere, from the car park to the trail.

Pros
+ Commuting kit fitted as standard
+ Full suspension for rutted tracks
+ Discreet grey, easy to match

Cons
- 26.50 kg to carry up a flight of stairs
- 600 Wh battery for long daily commutes

Why buy from LVR Cycles? As a Trek retailer in Béziers, we set up your Powerfly+ FS 4 Equipped for everyday use, advise you on panniers and locks, and provide Bosch support and brake servicing.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.

Reference TRK-5329731

Data sheet