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Electric city bike Trek District+ 3 R9 360 LS dark star 360 Wh

Electric city bike Trek District+ 3 Lowstep CUES 9-speed black: Active Line Plus 360 Wh, 46T sprocket, 26.40 kg

€2,269.00 Incl. Tax

~~€2,499.00~~ MSRP

Recommended supplier selling price in 2026

Color

Black

Size

Size charts

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Description
Product Details

Trek District+ 3 R9 360 Lowstep Dark Star: Béziers' hills without the effort

Béziers is a hilly town: from the Orb to Saint-Nazaire cathedral, the streets climb sharply. The Trek District+ 3 R9 360 Lowstep in Dark Star, a deep black, rises to the challenge with a 9-speed Shimano CUES derailleur whose largest sprocket has 46 teeth, a Bosch Active Line Plus motor and a 360 Wh battery. Trek quotes 26.40 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 360 Wh, integrated into the down tube and removable
Controls / display	Bosch Purion 200 on the handlebar
Drivetrain	Shimano CUES 1x9 Linkglide: U4000 derailleur, LG300 11-46 cassette, LG500 chain
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 Girona Comp 700x50 tyres with puncture protection and reflective strip
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	Bontrager Boulevard 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	26.40 kg in size L (Trek figure)

At a glance

✓ Shimano CUES 9-speed 11-46	✓ Bosch Active Line Plus
✓ PowerTube 360 Wh battery	✓ Puncture-resistant Girona Comp tyres
✓ MIK-compatible rear rack	✓ 26.40 kg in size L

Who is it for?

For residents of the upper districts or the historic centre, whose daily journey starts or ends with a steep climb. It's for anyone who wants to reach the top without standing on the pedals, even loaded with shopping.

The LVR workshop view

The CUES derailleur: the gear spread of a touring bike. Shimano CUES uses Linkglide technology: sprockets with thicker teeth and a dedicated chain, designed to handle the torque of an electric motor and last longer. The nine-speed 11-46 cassette offers a wider spread than an urban hub: a very low gear for pulling away on a hill, a high gear for riding fast on the flat.

	Nexus hub + chain	Nexus hub + Gates belt	Shimano CUES derailleur
How it works	Gears hidden in the rear hub	Gears in the hub, carbon belt	External sprockets and derailleur
Shifting	Possible at a standstill, at red lights	Possible at a standstill, at red lights	While pedalling, smoothly
Maintenance	Low, chain to grease	Very low, no greasing	Regular: cleaning, adjustment
Who for	Simple urban journeys	Everyday use without the grime	Varied terrain, sporty rides

In short: the R9 360 is the most affordable District+ 3 with a derailleur. It suits anyone who wants a wide gear range for hills and leisure rides, with a compact 360 Wh battery.

On a ramp, the 46-tooth sprocket lets you pedal quickly and lightly: the Bosch motor, which measures your effort, helps all the more when you keep a smooth cadence. That's the secret of an e-bike that climbs well: pedalling speed matters as much as force.

The CUES U4000 derailleur benefits from Shimano's Linkglide technology: thicker sprockets and an LG500 chain designed to resist wear better under a motor's torque. Shifting stays precise even when you change gear mid-climb, though it's still best avoided when pushing hard.

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 R9 360 LS	Bosch Active Line Plus	360 Wh	CUES 9-speed derailleur	26.40 kg
District+ 3 R9 540 LS	Bosch Active Line Plus	540 Wh	CUES 9-speed derailleur	24.30 kg
District+ 4 R10 LS	Bosch Performance Line	600 Wh	CUES 10-speed derailleur	26.30 kg

Our take: for a short commute with a steep hill, the R9 360 is more than enough. If the climb is long or frequent, the District+ 4 R10 and its 75 Nm Performance Line motor push considerably harder.

LVR sizing advice

The Lowstep frame is chosen mainly by the rider's height: S covers 147 to 155 cm, M 155 to 173 cm, L 170 to 185 cm and XL 185 to 203 cm. Between M and L, the M brings the bar closer and feels reassuring in town, while the L stretches the position for longer rides; the stem goes from 70 to 110 mm in L and XL.

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

Can it climb up to the cathedral?	Yes, using the largest sprocket and a higher assistance mode.
Should I change gear on a climb?	It's better to anticipate before the ramp and ease off the pressure as you shift.
Is the 360 Wh battery enough?	For an urban commute with hills, yes; range depends on the terrain and the mode.
Does the black get hot in the sun?	Park it in the shade in summer, mainly to protect the battery.

The LVR Cycles verdict

A District+ built for the steep streets of Béziers, thanks to its 46-tooth largest sprocket. Its deep black stays understated in every situation.

Pros
+ 46-tooth largest sprocket for climbs
+ Durable Linkglide drivetrain
+ Understated, elegant black

Cons
- 360 Wh battery to keep an eye on in hilly terrain
- Chain needs lubricating

Why buy from LVR Cycles? As a Trek retailer in Béziers, we teach you to anticipate your gear changes, set up the drivetrain and update your Bosch system.

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-5352142

Data sheet