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Understated and robust, this Trek Charter+ 4 Nexus 5 belt drive 540 Wh is a standard-frame electric trekking bike, designed for riding every day. Gates CDX belt, 5 internal gears, Bosch Performance Line motor and 540 Wh PowerTube battery, for 31.60 kg in size L according to Trek. Dark Web is an intense, discreet black.
| Frame | Alpha Platinum aluminium, standard frame (not Lowstep), 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 540 Wh |
| Controls / display | Bosch Purion 200 |
| Drivetrain | Shimano Nexus 5-speed internal gear hub, Gates CDX belt (32T sprocket), 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 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 PRO 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 | 31.60 kg in size L (Trek figure) |
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At a glance
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For the rider who has decided to make the bike their main means of transport, summer and winter alike. It suits anyone who wants a simple, reliable bike that needs no fiddling, from M to XL.
Belt drive on a classic frame. For riders who prefer to swing a leg over a top tube, Trek offers the Charter+ 4 Nexus 5 with a standard Alpha Platinum frame, from M to XL. The Gates CDX belt, Nexus 5-speed hub and 540 Wh battery are carried over unchanged, as are the mudguards, the integrated rack and the Pletscher kickstand.
| 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: an easy-going Charter+ for riders of 165 cm and up, weighed by Trek at 31.60 kg in size L. The belt keeps grease marks off your trousers, a real plus for commuting in everyday clothes.
In winter, salt, mud and rain quickly attack a chain and derailleur. The belt and sealed hub stand up to these conditions far better, and the aluminium mudguards limit spray onto the drivetrain as well as your clothes. A rinse after wet days is all it needs.
In winter, charge and store the battery indoors, at a moderate temperature: it will keep its performance for longer. The Bosch motor, whose assistance stops at 25 km/h, is available whatever the season, and the Boulevard saddle on a suspension seatpost keeps you comfortable.
| Model | Motor / battery | Drivetrain | Fork | Weight (size) |
| Charter+ 4 Nexus 5 belt 540 Wh | Bosch Performance Line 75 Nm / 540 Wh | Nexus 5 + belt | 63 mm coil | 31.60 kg (L) |
| Charter+ 4 Nexus 5 belt 800 Wh | Bosch Performance Line 75 Nm / 800 Wh | Nexus 5 + belt | 63 mm coil | 32.50 kg (L) |
| Charter+ 4 Nexus 5 belt 540 Wh Lowstep | Bosch Performance Line 75 Nm / 540 Wh | Nexus 5 + belt | 63 mm coil | 30.60 kg (M) |
| Charter+ 4 Trail 540 Wh | Bosch Performance Line 75 Nm / 540 Wh | Shimano CUES 9-speed | XCR32 80 mm | 26.80 kg (L) |
Our take: identical to the blue colour, this black is purely a matter of taste. The standard-frame Nexus 5 800 Wh (32.50 kg in L) adds 260 Wh for anyone who rides much more each week.
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LVR sizing advice This standard frame comes from M to XL. Between 170 and 173 cm, M and L overlap: the M gives a more compact, nimble position, the L more reach for riding long distances. We check your inside leg before confirming, then adjust the stem.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Can I ride in the rain? | Yes, the Bosch system and the enclosed drivetrain are designed for rain. |
| Where should I store the battery in winter? | Indoors, somewhere dry at a moderate temperature; we'll give you our charging tips. |
| Does the belt need cleaning? | A simple rinse with water is enough, with no grease or products. |
| Does the black get dirty easily? | Dark Web shows pale dust, but cleans up easily. |
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The LVR Cycles verdict A belt-drive Charter+ made for riding all year round, unfazed by rain or maintenance. Its intense black gives it a serious, durable look.
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Why buy from LVR Cycles? As a Trek retailer in Béziers, we support you for year-round daily riding: hub servicing, belt checks, Bosch diagnostics and battery advice.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
Data sheet
Specific References
Electric trekking bike Trek Charter+ 4 Nexus 5 belt 540 Wh black: Bosch 75 Nm 540 Wh, 31.60 kg in L
