72V 4000W Ebike Kit with LG Battery Off Road
72V 4000W Ebike Kit with LG Battery — Off Road
Transform your mountain bike into a high-powered off-road machine with this complete 72V 4000W ebike kit. CE-approved and built for off-road performance, it delivers a top speed of 55–60mph with strong torque (4000W peak), smooth throttle response, and a complete set of components ready to fit on any compatible city bike or mountain bike frame.
Note: Our display can be set to 15.5mph / 250W speed limit for road-legal use.
What's Included
- Motor: 72V 4000W brushless rear wheel hub motor (135mm dropout width, single speed freewheel)
- Wheel: size 26", 27.5" or 29" MTX39 rim with spokes, assembled
- Controller: 72V 80A controller with controller bag
- Display: LCD UKC1 display
- Throttle: Surron-style black grip throttle
- Brake levers: Wuxing electric brake levers with disc brake compatibility
- Torque arm: x1 torque arm included
- PAS: 1:1 8-magnet pedal assist sensor
- Battery (optional): 72V 30Ah Samsung/LG cells with charging adapter (5A charger), waterproof case
- Manual: Instruction book and cable ties
Full Specifications
| Specification | Details |
|---|---|
| Voltage | 72V |
| Motor Power | 4000W brushless hub motor (4000W peak) |
| Top Speed | 55–60mph (off road) |
| Controller | 72V 80A |
| Battery (optional) | 72V 30Ah LG/Samsung cells, waterproof |
| Wheel Size | 26", 27.5", 29" (MTX39 rim) |
| Dropout Width | 135mm |
| Brakes | Disc brake compatible, Wuxing electric levers |
| Torque Arm | Included |
| Display | LCD UKC1 |
| Use | Off-road (road-legal mode available) |
Frequently Asked Questions
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How fast can a 72V 4000W ebike kit go?
The top speed is 55–60mph depending on riding conditions, rider weight, and terrain. Designed for off-road use with 4000W peak power. -
Can it be set to road-legal speed?
Yes — the LCD display can be configured to limit speed to 15.5mph (25km/h) and power to 250W for road-legal use in the UK. -
What wheel size is compatible?
The kit is available for wheel size 26", 27.5", and 29" using the MTX39 rim. -
Does the kit include a torque arm?
Yes — a torque arm is included to secure the rear wheel motor safely to your frame. -
Does it include charging equipment?
Yes — the optional battery comes with a 5A charger for convenient charging at home. -
What is the dropout width?
The motor has a 135mm dropout width, compatible with most standard mountain bike frames.
⚠️ Off-Road Use Only: Kits over 250W are prohibited from use on public roads in the UK. For private property or off-road use only.
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72V 4000W Ebike Kit with LG Battery Off Road
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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