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Electric trekking bike Trek Charter+ 4 R9 800 Wh Lowstep dark web

Electric trekking bike Trek Charter+ 4 R9 800 Wh Lowstep black: PowerTube 800 Wh, 75 Nm, 31.70 kg in M

CHF3,384.14 Incl. Tax

Color

Black

Size

Size charts

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Trek Charter+ 4 R9 800 Wh Lowstep Dark Web: the long daily commute

Designed for long regular journeys, this Trek Charter+ 4 R9 800 Wh Lowstep pairs an 800 Wh battery, a Bosch Performance Line motor and a 9-speed Shimano CUES drivetrain with a step-through aluminium frame. Trek puts it at 31.70 kg in size M. The Dark Web colour is an intense black, understated and elegant.

Technical specifications

Frame	Alpha Platinum aluminium, Lowstep step-through frame, Bosch battery inserted through the top of the down tube, cables integrated through the cockpit, integrated rack and mudguards, bolt-on adjustable rear dropout
Motor	Bosch Performance Line, 250 W, 75 Nm
Battery	Bosch PowerTube 800 Wh, Bosch smart system
Controls / display	Bosch Purion 200
Drivetrain	Shimano CUES 9-speed Linkglide: LG300 11-46 cassette, LG500 chain, ProWheel alloy 170 mm chainset
Fork	SR Suntour SF25-NVX32, coil spring, adjustable preload, 63 mm travel
Brakes	Shimano MT200 hydraulic disc, 180 mm rotors
Wheels / tyres	Bontrager Kovee double-wall Tubeless Ready 23 mm rims / Bontrager E6 Hard-Case Lite 27.5 x 2.40 in tyres with reflective sidewalls
Cockpit	Alloy 630 mm handlebar, 25 mm rise, Bontrager alloy 80 mm height-adjustable stem, Blendr compatible, Trek Ergonomic Comp grips
Saddle / seatpost	Bontrager Boulevard / alloy suspension seatpost 31.6 mm, 300 mm
Equipment	Trek Charter aluminium mudguards, rack integrated into the frame, Pletscher Comp Flex 40 kickstand, Bontrager City pedals
Weight	31.70 kg in size M (Trek figure)

At a glance

✓ Alpha Platinum aluminium Lowstep frame	✓ 75 Nm Bosch motor
✓ Large PowerTube 800 Wh battery	✓ Shimano CUES 9-speed derailleur
✓ Pletscher kickstand and alloy mudguards	✓ 31.70 kg in size M

Who is it for?

For anyone living in a village around Béziers, in Sérignan, Villeneuve or Maraussan, who rides into town every day along the back roads. The big battery means fewer charges on these regular journeys.

The LVR workshop view

The maximum energy reserve of the derailleur-equipped Charter+ 4. Here Trek slips an 800 Wh Bosch PowerTube into the Alpha Platinum aluminium down tube, without changing the silhouette of the step-through frame. The battery's mass stays low and central, between the two wheels, which steadies the bike when stationary and in slow corners. The rack and mudguards are part of the frame itself.

	Shimano CUES derailleur	Nexus 5 hub + belt	Enviolo hub + belt
How it works	9 sprockets and a Linkglide chain	5 gears enclosed in the hub	Continuously variable, no steps
Maintenance	Chain needs cleaning and lubing	Grease-free belt, sealed hub	Grease-free belt, sealed hub
Reference bike	Charter+ 4 R9, 30.80 kg (M, 540 Wh)	Charter+ 4 Nexus 5, 30.60 kg (M, 540 Wh)	Charter+ 4 Enviolo, 31.60 kg (M, 540 Wh)
What it means	Widest gear range	Shifts at a standstill, clean	The ideal gear at any moment

In short: compared with the 540 Wh version, you gain 260 Wh of capacity for 0.90 kg more according to Trek (31.70 kg versus 30.80 kg in M). The rest of the bike is identical: same motor, same drivetrain, same equipment.

On a suburban commute, you alternate fast stretches and restarts: the 75 Nm Bosch motor takes over when you pull away, then fades out at 25 km/h, the speed beyond which you pedal on your own. The 11-46 cassette has enough high gears to hold your pace on the flat.

The Shimano MT200 hydraulic brakes and their 180 mm rotors keep consistent power in the rain, where rim brakes would lose effectiveness. The frame has integrated mudguards and a rack: you arrive at work dry, with your bag secured.

Which Charter+ should you choose?

Model	Motor / battery	Drivetrain	Fork	Weight (size)
Charter+ 4 R9 540 Wh Lowstep	Bosch Performance Line 75 Nm / 540 Wh	Shimano CUES 9-speed	63 mm coil	30.80 kg (M)
Charter+ 4 R9 800 Wh Lowstep	Bosch Performance Line 75 Nm / 800 Wh	Shimano CUES 9-speed	63 mm coil	31.70 kg (M)
Charter+ 5 R10 800 Wh Lowstep	Bosch Performance Line PX 90 Nm / 800 Wh	Shimano CUES 10-speed	Mobie 34 air 80 mm	31.20 kg (M)
Charter+ 4 Nexus 5 belt 800 Wh Lowstep	Bosch Performance Line 75 Nm / 800 Wh	Nexus 5 + belt	63 mm coil	31.50 kg (M)

Our take: this R9 800 Wh and the Nexus 5 800 Wh Lowstep (31.50 kg in M) have the same battery; the former keeps 9 gears and a derailleur, the latter a grease-free belt and 5 internal gears.

LVR sizing advice

You get onto the Lowstep frame from the front, without lifting your leg: the size is chosen mainly on saddle height and reach. Trek's ranges overlap between M and L (170 to 173 cm); in that case, the smaller size gives a more upright position and the larger one more room for long rides. The height-adjustable stem then fine-tunes the position.

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
Wheels (in)	27.5	27.5	27.5	27.5
Seatpost (mm)	300	300	300	300

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

Your questions

Can I charge it less often?	Yes, that's the point of the 800 Wh: how often depends on your distance, the terrain and the mode used.
Do I need a special lock?	A good-quality D-lock or chain lock is recommended; we'll help you choose one.
What maintenance does the derailleur need?	Regular cleaning and lubrication of the chain, and a check at every service.
Does the black show scratches?	A deep black can show scuffs; a cover or careful storage keeps them to a minimum.

The LVR Cycles verdict

A Charter+ built for commuters coming from further afield, with a battery that saves you charging every day. The deep black gives it a discreet presence in traffic and in the garage alike.

Pros
+ 800 Wh for long commutes
+ Consistent hydraulic braking
+ Built-in wet-weather equipment

Cons
- Weighs 31.70 kg in M
- Chain needs maintenance

Why buy from LVR Cycles? As a Trek retailer in Béziers, we prepare your bike for daily use, check the drivetrain and brakes at every service and advise you on locks and insurance.

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-5341804

Data sheet