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Electric city bike Trek District+ 3 N7 540 LS dark star 540 Wh

Electric city bike Trek District+ 3 Lowstep Nexus 7 black: Bosch 540 Wh, hydraulic brakes, 27.70 kg in L

kr30,862.19 Incl. Tax

Color

Black

Size

Size charts

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Trek District+ 3 N7 540 Lowstep Dark Star: more energy, fewer charges

The Trek District+ 3 N7 540 Lowstep in Dark Star, a dense, deep black, is all about endurance: its 540 Wh PowerTube powers a Bosch Active Line Plus motor renowned for its smoothness. A Nexus 7-speed hub, Shimano hydraulic disc brakes and full equipment for town. Trek quotes 27.70 kg in L.

Technical specifications

Frame	Alpha Platinum aluminium Lowstep (low step-over), removable integrated battery, cables integrated through the cockpit, 135x5 mm quick-release rear axle
Motor	Bosch Active Line Plus, Bosch smart system, 60 Nm (Trek figure); assistance cuts out at 25 km/h
Battery	Bosch PowerTube 540 Wh, integrated into the down tube and removable
Controls / display	Bosch Purion 200 on the handlebar
Drivetrain	Shimano Nexus C3001 7-speed internal gear hub, Shimano HG40 chain, 18T sprocket, ProWheel alloy 165 mm chainset
Fork	SR Suntour NEX-E25 coil spring, adjustable preload, 60 mm travel, 100 mm quick release
Brakes	Shimano MT200 hydraulic disc, Shimano RT10 centerlock 160 mm rotors
Wheels / tyres	Bontrager Kovee double-wall Tubeless Ready 23 mm rims, Shimano centerlock hubs / Bontrager E6 Hard-Case Lite 700x50 reflective tyres
Cockpit	Alloy 630 mm handlebar, 25 mm rise; Bontrager alloy adjustable-angle stem, Blendr compatible, 70 or 110 mm depending on size; ergonomic grips
Saddle / seatpost	Comfort city saddle, alloy suspension seatpost 31.6 mm, 300 mm
Equipment	SKS front and rear mudguards, MIK-compatible alloy rear rack, Pletscher Comp Flex 18 kickstand, city pedals
Weight	27.70 kg in size L (Trek figure)

At a glance

✓ Bosch Active Line Plus	✓ PowerTube 540 Wh to go further
✓ Nexus 7-speed internal gear hub	✓ Low step-over Lowstep
✓ Reflective E6 Hard-Case Lite tyres	✓ 27.70 kg in size L

Who is it for?

For the rider who makes several trips a day, appointments, school, shopping, and would rather not think about the battery until the weekend. It will also appeal to professionals who want an understated, reliable company bike.

The LVR workshop view

540 Wh: the reserve that changes your habits. A Bosch battery is measured in watt-hours, the amount of energy stored. Going from 360 to 540 Wh gives you one and a half times more energy with the same Active Line Plus motor, so you can ride longer between charges or stay in a higher assistance mode. On this frame, the PowerTube sits inside the down tube and comes out for charging at home.

	PowerTube 360 Wh	PowerTube 540 Wh	PowerTube 600
Version	District+ 3 N7 360 / R9 360	District+ 3 N7 540 / N7 B / R9 540	District+ 4 N5 B / R10
Paired motor	Active Line Plus	Active Line Plus	Performance Line 75 Nm
Charging	The quickest to top up	Longer charge, less often	Large capacity, hungrier motor
Who for	Short daily journeys	Long journeys, day rides	Hills, loads, demanding journeys

In short: the same bike as the N7 360, the same Nexus 7-speed hub, but with a 540 Wh battery. It's the logical choice if your journey goes beyond the town centre or if you don't want to charge every evening.

The Shimano MT200 hydraulic disc brakes work on 160 mm rotors: the lever action is light under your fingers and braking stays consistent in the rain, where a rim brake loses effectiveness. On a bike weighing nearly 28 kg, that consistency matters on the descent to the Pont Vieux.

The 540 Wh battery comes out through the top of the down tube for charging at home. In winter, keep it indoors at room temperature and charge it before setting off: a warm battery delivers its energy better than one left overnight in a cold garage. The electric assistance stops at 25 km/h.

Which District+ should you choose?

Model	Motor	Battery	Drivetrain	Weight (L)
District+ 3 N7 360 LS	Bosch Active Line Plus	360 Wh	Nexus 7-speed hub, chain	26.80 kg
District+ 3 N7 540 LS	Bosch Active Line Plus	540 Wh	Nexus 7-speed hub, chain	27.70 kg
District+ 3 N7 B LS	Bosch Active Line Plus	540 Wh	Nexus 7-speed hub, Gates belt	27.20 kg
District+ 3 R9 540 LS	Bosch Active Line Plus	540 Wh	CUES 9-speed derailleur	24.30 kg

Our take: compared with the derailleur-equipped R9 540 (24.30 kg in L according to Trek), this N7 540 favours a maintenance-free drivetrain. Its twin, the N7 B, at 27.20 kg, adds a Gates belt to the same battery.

LVR sizing advice

Thanks to the low step-over, the top tube height hardly matters: go by your height. S for 147 to 155 cm, M for 155 to 173 cm, L for 170 to 185 cm, XL for 185 to 203 cm. If you're on the M / L borderline, try both in the shop: the 110 mm stem on the L stretches the position noticeably.

Size	S	M	L	XL
Rider height (cm)	147-155	155-173	170-185	185-203
Inseam (cm)	69-88	77-96	80-99	86-105
Stem (mm)	70	70	110	110

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

Your questions

Are the brakes hydraulic?	Yes, Shimano MT200 hydraulics on 160 mm rotors.
How should I store the battery over winter?	Indoors, somewhere dry at room temperature, and charged before setting off.
Is the bike heavy?	27.70 kg in size L; the step-through frame and kickstand make it easier to manoeuvre when stationary.
Does the black show marks?	Dust shows a little more than on the silver; a damp cloth is enough.

The LVR Cycles verdict

A long-range, understated District+ that frees you from daily charging thanks to its 540 Wh. Its dense black blends into any setting, from the office to the town centre.

Pros
+ 540 Wh battery, fewer charges
+ Consistent hydraulic brakes
+ Elegant, discreet black

Cons
- Weight noticeable on stairs
- No large display on the bar

Why buy from LVR Cycles? As a Trek retailer in Béziers, we check your hydraulic brakes, update the Bosch system and advise you on the battery according to the season.

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-5351656

Data sheet