As electric bikes become more popular across the UK, many riders are looking to upgrade their existing bikes with powerful, reliable conversion kits. If you’re after serious speed, long-range capability, and smooth performance, a 72V 2000W ebike kit with battery could be the perfect solution.
This upgrade offers a significant boost over standard 250W or 500W kits, delivering the torque and power needed to conquer steep hills, cover longer distances, and enjoy faster rides on private land or off-road trails.
With KirbEbike’s premium 72V 2000W kit, you get a high-capacity Samsung battery, advanced battery management for safety, and a robust motor system designed to handle demanding conditions all backed by UK-based support.
Whether you’re a commuter seeking to cut down travel time, an adventure rider exploring new terrains, or simply a cycling enthusiast wanting to electrify your ride, upgrading to a 72V 2000W ebike kit opens up a new level of riding freedom and performance.
What Makes KirbEbike’s 72V 2000W Kit Stand Out?
High-Performance Battery: Samsung 21700 50S Cells
KirbEbike’s 72V 2000W ebike kit features a top-tier battery built with Samsung 21700 50S cells, known for their exceptional high discharge rates and low heat generation. This advanced cell technology ensures your battery stays cooler during rides, improving both safety and longevity.
With a robust 20Ah capacity, this battery delivers extended range and reliable power output, perfect for longer journeys or demanding rides. Plus, the integrated 60A Battery Management System (BMS) provides comprehensive protection against overheating, overcurrent, and voltage spikes, so you can ride with confidence.
Fast Charging and Longevity
Thanks to the included 5A fast charger, you can fully recharge the battery in just 4 to 5 hours ideal for quick turnarounds between rides. The battery is rated for up to 800 full charge cycles, ensuring years of dependable service and consistent performance.
Designed with convenience in mind, the battery’s compact triangle shape makes installation easy on a wide variety of bike frames without sacrificing capacity.
Battery Features That Matter
KirbEbike adds thoughtful details to enhance your riding experience:
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A 3-pin charge port supports high-power charging for efficiency.
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The stainless steel power switch offers a durable on/off control for safety and convenience.
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A built-in USB Type-C port lets you charge your phone or other devices while on the move.
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The battery voltage indicator helps you monitor power levels at a glance, so you’re never caught off guard.
What to Expect from the 2000W 72V Motor Kit
KirbEbike’s 72V 2000W ebike kit delivers powerful performance tailored for riders who demand speed, torque, and reliable battery life.
Motor Power and Speed
Equipped with a high-torque 2000W brushless hub motor, this kit offers impressive acceleration and hill-climbing ability. You can expect top speeds up to 70–80 km/h on private land or off-road trails, making it perfect for thrill-seekers and long-distance commuters alike.
Voltage and Current
Running at 72 volts paired with a 60A BMS, the system maintains consistent power delivery without overheating or voltage drops, even under heavy loads. This ensures smooth throttle response and efficient energy use.
Range and Battery Life
Thanks to the 20Ah lithium battery pack, expect a real-world range of 50–90 km depending on terrain, rider weight, and assist level. The battery’s high discharge capability supports bursts of power when needed without compromising longevity.
Controller and Efficiency
The kit uses an advanced sine wave controller, optimizing power output for quieter operation and better energy efficiency compared to traditional square wave controllers. This not only prolongs battery life but also enhances ride comfort.
Compatibility and Installation
Designed to fit most standard bike frames, the kit supports various wheel sizes and dropout widths. Installation is straightforward, with clear instructions, making it ideal for DIY enthusiasts who want a high-performance upgrade without hassle.
Installation and Compatibility
KirbEbike’s 72V 2000W ebike kit is designed with rider convenience and versatility in mind, making it accessible to both DIY enthusiasts and those new to electric bike conversions.
Easy Installation Process
The kit includes all necessary components: motor, controller, battery, throttle, PAS sensor, wiring harness, and fast charger allowing most users to complete the installation in under 90 minutes with standard tools. Clear step-by-step instructions and supportive customer service make the process hassle-free, even if you’re a beginner.
Wide Compatibility
This high-power kit supports a broad range of bike types and sizes, ensuring you can upgrade your existing frame without major modifications:
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Wheel sizes: Compatible with common sizes like 26", 27.5", 28", 29", and 700C wheels.
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Dropout widths: Supports standard widths for both fat tire and traditional bikes, including 135mm and 190mm options.
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Freewheel and Cassette: Works seamlessly with 7-speed freewheel systems and 8-11 speed cassettes, giving you flexibility with your gear setup.
Battery Mounting Options
The compact triangle battery design fits securely within the bike frame’s main triangle, providing a clean, balanced look and optimal weight distribution. For added convenience, the battery features a durable stainless steel power switch and integrated USB Type-C port for charging on the go.
Durable and Weather-Resistant Components
All wiring harnesses and connectors are IP-rated waterproof, and the motor is sealed to withstand rainy and muddy conditions, making the kit suitable for year-round riding in the UK climate.
Legal Considerations for UK Riders
Understanding UK e-bike laws is crucial when upgrading to a high-powered kit like KirbEbike’s 72V 2000W electric bike kit. While the power and speed offered by this kit are impressive, legal compliance must be a top priority for safe and lawful riding.
UK Road Legal Limits
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Maximum motor power of 250W
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Top assisted speed limited to 25 km/h (15.5 mph)
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Pedal assist only (no throttle-only mode)
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No need for a license, registration, or insurance if compliant
Using the 72V 2000W Kit Legally
KirbEbike’s 72V 2000W kit exceeds the 250W power limit and top speed allowed on public roads. Therefore, it is not road legal for use on public highways or cycle paths in its full power mode.
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The kit includes a 250W legal mode toggle, allowing you to restrict motor output to UK legal limits when riding on public roads.
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The full 2000W power is intended for use on private property, off-road trails, or closed circuits where higher speeds and power are permitted.
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Always ensure the kit is set to the 250W mode before entering public roads to avoid fines or legal issues.
FAQs:
Is a 2000W kit street legal in the UK?
No. UK law limits e-bike motors to 250W for road use. However, KirbEbike’s 72V 2000W kit features a 250W toggle mode for legal street riding. The full 2000W power is meant for private land or off-road use only.
How far can I ride on a single charge?
With the 72V 20Ah Samsung battery, expect a range between 50–80 km (30–50 miles) depending on terrain, rider weight, and throttle usage.
Can I install this kit myself?
Yes! KirbEbike designs its kits for easy DIY installation, typically completed in 60–90 minutes with common tools and no advanced technical skills.
What bikes are compatible?
This kit fits a wide range of bikes with compatible wheel sizes and dropouts, including mountain bikes, hybrids, and fat-tire bikes. Always check your bike’s wheel size and frame spacing before purchasing.
Can the battery be upgraded later?
Absolutely. KirbEbike’s modular design allows you to upgrade to larger capacity batteries or higher voltage options to increase range and power over time.
Is the 72V 2000W Ebike Kit Right for You?
If you want a powerful and reliable upgrade for off-road adventures or private land riding, KirbEbike’s 72V 2000W kit delivers impressive speed, torque, and range. Its high-quality Samsung battery, advanced safety features, and easy installation make it a top choice for serious riders. Just remember to toggle to the 250W legal mode for UK road compliance, and enjoy the freedom and thrill of a high-performance electric bike.
