How fast can the Chamrider DH420 Electric Bike go?

The listed top speed is 31 MPH. Real-world speed varies with rider weight, terrain, battery level and which speed/assist mode you’re using.

Is the Chamrider DH420 Electric Bike road legal in the UK?

Many e-bikes are supplied with a UK-compliant assist setting (25 km/h / 15.5 mph). If you use higher-speed or higher-power modes on public roads, it may be treated as a motor vehicle and need registration, tax and insurance. Always ride to the current rules.

Is the Chamrider DH420 easy to assemble?

The Chamrider DH420 comes mostly assembled and only minor things need to be assembled. This should not take longer than 20-30 minutes to do.

Is the Chamrider DH420 water resistant?

The Chamrider DH420 is water-resistant and suitable for riding in light to moderate rain. It is not fully waterproof and should not be submerged. Short term, your product can get a little wet and be in the rain, but any long-term exposure can cause serious problems.

Is the Chamrider DH420 Electric Bike road legal?

This model is designed for off-road/private land use and is not intended for public roads, cycle lanes, or pavements. It does not meet UK road-legal e-bike requirements (including the 250W limit), so it shouldn’t be used as an EAPC on public highways. Please ride only on private land and always with the landowner’s permission.

Brand:

Chamrider DH420 Electric Bike

Motor

750W

Battery

48V

Speed

31 MPH

Range

118 MILES

£1,999.00 £1,899.00

In stock 13 sold this week

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Electric Bike Warranty

Cover varies by brand and model. See our warranty page for full terms.
Manufacturer cover usually applies to defects under normal use.
Batteries, chargers, chains, brake pads, tyres and tubes may have limited cover.
Wear, punctures, damage, water ingress and mods are usually excluded.

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Road use notice: This bike is over 250W and is for private land/off-road use only. Need a UK road-compliant option? View road legal e-bikes .

Description

The Chamrider DH420 Electric Bike is a capable everyday Electric Bike designed for commuting, delivery work, and weekend riding. With a powerful motor, full suspension setup, and extended range, it’s built to handle longer journeys, varied terrain, and faster-paced riding while keeping comfort and control front and centre.

High-Speed Motor Performance
The DH420 is powered by a 750W high-speed motor, delivering strong acceleration and responsive performance across urban roads and mixed terrain. With a top speed of up to 50 km/h, it offers confident cruising and efficient travel where permitted.

Long-Range Battery System
A 48V 20Ah battery provides a practical electric-only range of 50–80 km, depending on riding conditions, terrain, and rider weight. This makes the DH420 well suited to longer commutes and full working days without constant recharging.

Full Suspension Comfort
Equipped with a full suspension system with DNM components, the DH420 absorbs bumps, uneven surfaces, and road imperfections with ease. This setup improves comfort and stability, especially on rough roads, paths, and longer rides.

Grip, Control & Braking
The Chaoyang 27.5″ × 2.8″ tyres offer excellent grip and a confident ride feel, balancing speed with stability. A hydraulic brake system with power cut-off ensures strong, controlled stopping power, even when riding at higher speeds or under load.

Key specs

Motor: 750W high-speed motor
Battery: 48V 20Ah
Tyres: Chaoyang 27.5" x 2.8 tyres
Brakes: Hydraulic brake system (power cut-off)
Top speed: Up to 50 km/h
Range: 50–80 km (electric)
Suspension: Full suspension (DNM listed)
Gears: 9-speed drivetrain
Max load: 180 kg
Display: 48V central LCD display with 1–5 assist levels and cruise

Compare this model against our full selection of e-bikes available online at TrailSurge UK.

Specifications

Collection	Chamrider Electric Bikes
Brand	Chamrider
Motor Power	750W
Battery	48V
Top Speed	31 MPH
Max Range	118 Miles
Charging Time	5 Hours

Wheel Size	CST 27.5 × 2.4 (off-road)
Brakes	Dual Hydraulic Disc Brakes
Scooter Weight	26kg
Max Rider Weight	180kg

750W Motor With Strong Everyday Pull

Built around a 750W motor for punchy starts and steady assistance when the route turns uphill. Top speed is listed at 31 MPH for quicker commutes and open-path riding.

Battery Capacity And Long-Run Range

Battery spec is listed as 48V, designed for longer rides between top-ups. Max range is listed at 118 Miles depending on assistance level and riding conditions. Charging time is listed at 5 Hours. Range varies with rider weight, speed, terrain, and riding mode.

CST 27.5 x 2.4 (off-road) + Hydraulic Braking

Tyres are listed as CST 27.5 x 2.4 (off-road), offering planted ride and extra confidence on varied surfaces. Front & Rear Suspension supports a smoother ride over bumps and improves stability when the road gets uneven. Brakes are listed as Dual Hydraulic Disc Brakes to back up the extra speed and weight. Max rider load is listed at 180kg, making it a strong choice for heavier riders or carrying kit. Product weight is listed at 26kg.