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This nb power 90km h max speed LCD review looks at a high-output conversion kit designed for serious speed. The NB Power 3000W Conversion Kit is built around a 3000W motor and supports system voltages from 48V to 72V. It includes a 48V-72V 80A sine wave controller and an SW900 display. This display tracks riding speed, battery voltage, wattage, and more. The rear dropout width is listed at 150-155mm. This setup targets riders seeking significant power upgrades for their existing frames rather than a complete new bicycle.

  • 3000W motor power for high torque output
  • Wide 48V-72V system voltage compatibility
  • SW900 LCD with assist, cruise, and PAS functions
  • 80A sine wave controller included in the kit

Good fit for

This kit suits experienced builders who already own a sturdy e-bike frame with the correct rear dropout spacing. It is ideal for those who want to upgrade to a 3000W motor and need a controller that handles high amperage. The wide voltage range makes it flexible for various battery setups. You will appreciate the detailed display if you want to monitor wattage and speed closely. It fits riders comfortable with complex electrical installations and custom builds.

Who can skip it

Look elsewhere if you need a plug-and-play complete bike. This is a conversion kit, not a finished vehicle. You must match the rear dropout width of 150-155mm to your frame. If your bike has different spacing, this will not fit. The installation requires technical knowledge of wiring and motor mounting. Beginners seeking a simple, ready-to-ride electric scooter or standard bicycle should choose a pre-assembled model instead of this raw hardware.

Verdict

The NB Power 3000W Conversion Kit delivers serious power for custom builds. It is a robust choice for skilled builders who need high output and voltage flexibility.

Key specs explained for NB Power

Motor Power: 3000W

This motor delivers 3000 watts of continuous power. That output allows the bike to climb steep hills and accelerate quickly. You will notice strong torque when starting from a stop. This power level suits riders who want serious performance on varied terrain. It is significantly higher than standard commuter e-bikes, which often use motors under 750 watts. This kit is best for those prioritizing raw power over efficiency.

System Voltage: 48V-72V

The controller supports a wide voltage range from 48V to 72V. Higher voltage systems generally provide more power and efficiency. You can match this kit to your existing battery pack if it falls within this range. This flexibility helps you upgrade your bike without changing the entire electrical system. Check your current battery specifications carefully. Using the wrong voltage can damage the controller or reduce performance significantly.

Top Speed: 90km/h

The listing states a maximum speed of 90 kilometers per hour. This is a very high speed for an electric bike. It is suitable for off-road use or private land. Public road laws often limit e-bikes to much lower speeds. You must ensure your local regulations allow such speeds. This spec indicates the motor's potential, not a guaranteed safe operating limit for street use. Always prioritize safety and legal compliance when riding at high velocities.

Rear dropout: 150-155mm

The motor fits frames with rear dropouts measuring 150 to 155 millimeters wide. This is a common standard for many mountain bikes. You need to measure your bike frame before purchasing. If your frame is narrower or wider, this kit will not fit. This measurement is critical for installation. It ensures the wheel aligns correctly with the frame. Check your bike's specifications or consult a mechanic to confirm this dimension before buying.

NB Power Kit Design Details

The listing describes this as a rear dropout conversion kit, specifically noting a width of 150-155mm. This dimension dictates the frame compatibility. You must ensure your bicycle rear axle spacing matches this range before installation. The kit is available in several wheel sizes, including 20, 24, 26, 27.5, 28, and 29 inches. This variety allows you to match the motor wheel to your existing bike frame geometry. The color option listed is Rear MTX39, which refers to the motor housing finish.

According to the listing, the system includes a SW900 display. This unit shows voltage, assist level, cruise status, throttle input, riding speed, maximum speed, distance, battery voltage, and wattage. The display supports 48V, 52V, 60V, and 72V inputs. This broad voltage compatibility means you can pair the controller with different battery packs. The controller itself is a 48V-72V 80A sine wave model. It comes with a protective controller bag. This layout keeps the electronic components organized and shielded from debris. The physical dimensions listed are 15 inches in length and width, with a height of 27.5 inches. These measurements likely refer to the packaging or the assembled wheel unit rather than the motor hub alone. You should verify these dimensions against your workspace constraints. The design focuses on high-power output for stealth bomber style builds. This setup requires careful mounting to handle the torque. The finish is utilitarian, prioritizing function over aesthetics. You get a straightforward, high-output solution for transforming a standard bicycle into a high-speed electric bike.

Setup and everyday use

Installation requires matching your frame’s rear dropout width. The kit specifies a 150-155mm range. You must verify your bicycle axle spacing fits this dimension before proceeding. The system supports multiple voltage inputs from 48V to 72V. This flexibility allows compatibility with various battery setups. You will need to connect the 80A sine wave controller. The controller comes with a protective bag. This component manages power delivery to the 3000W motor. The SW900 display connects to the system. It shows voltage levels for 48V, 52V, 60V, and 72V systems. You can monitor riding speed, maximum speed, distance, and battery voltage. The display also tracks wattage and indicates throttle usage. Assist, cruise, pedal assist, and timer functions are available. You select modes using the interface. The kit is designed for stealth bomber style conversions. Wheel size options include 20, 24, 26, 27.5, 28, and 29 inches. You must choose the correct wheel size for your frame. The display provides real-time data. This helps you manage power consumption during rides. The sine wave controller ensures smooth acceleration. You avoid jerky starts. The system supports high speeds up to 90km/h. This requires appropriate gearing and tire selection. The setup process involves mechanical mounting and electrical connections. You follow standard conversion procedures. The display remains visible during operation. You adjust settings as needed. The kit integrates into existing bicycle frames. You replace the rear wheel and motor assembly. The controller bag protects electronics from weather. This feature adds durability. The system is built for performance. You get strong output when needed.

Before You Buy This Kit

This NB Power conversion kit is a high-output component, not a complete vehicle. You need a compatible bicycle frame with rear dropouts measuring 150-155mm. The listing offers wheel sizes from 20 to 29 inches, so you must match the rim diameter to your existing tires or buy new ones. The system supports voltages between 48V and 72V. You must source a battery that matches your chosen voltage and connector type. The SW900 display requires power from your battery pack. Installation involves mounting the motor wheel and connecting the controller. You will need basic mechanical tools for this task. This kit sits alongside standard e-bikes as a customization option. It suits riders who want to modify an existing bike for higher speeds. It is not for beginners seeking a ready-to-ride solution. Proper maintenance of the chain and brakes is essential given the 3000W power output.

Check before you buy

  • Verify your frame rear dropout width is 150-155mm.
  • Select a wheel size between 20 and 29 inches.
  • Ensure you have a compatible 48V-72V battery pack.
  • Confirm your frame can handle 3000W motor torque.
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NB Power 3000W Conversion Kit

NB Power 3000W Conversion Kit

Best for: High-speed e-bike frame conversions

Motor Power
3000W
System Voltage
48V-72V
Top Speed
90km/h
Dimensions
15 × 15 × 27.5 inches

This NB Power kit converts a standard bike into a high-performance electric model. It features a 3000W motor and supports voltages from 48V to 72V. The system reaches a top speed of 90km/h. It includes an SW900 LCD display for monitoring speed, battery, and wattage. The sine wave controller ensures smooth power delivery. This setup suits riders seeking significant speed upgrades for their existing frames.

Pros
  • 3000W motor power for strong acceleration
  • Top speed reaches 90km/h
  • Compatible with 48V to 72V battery systems
  • SW900 LCD display shows riding data
Cons
  • Requires a rear dropout width of 150-155mm
  • Limited to specific wheel sizes like 27.5 inches
Good fit if
  • You need a high-speed conversion for a compatible frame
  • You have a battery system between 48V and 72V
  • You want detailed ride data via an LCD screen
Skip if
  • You require a pre-built complete electric bike
  • Your bike frame has a dropout width narrower than 150mm
  • You prefer a lower speed limit under 50km/h

Verdict: NB Power 3000W 90km/h Conversion Kit offers serious speed potential for builders with compatible frames and high-voltage batteries. It fits those prioritizing raw power and data visibility over plug-and-play convenience.

Specifications side by side

SpecNB Power 3000W Conversion Kit
Motor Power3000W
System Voltage48V-72V
Top Speed90km/h
Voltage48V
Dimensions15 × 15 × 27.5 inches
ColorRear MTX39 27.5inch

Frequently asked questions

Is the NB Power 3000W kit a complete e-bike?

No, this is a conversion kit, not a finished vehicle. You must supply your own compatible bicycle frame and battery. The listing specifies it is designed for frame conversions. You need a rear dropout width between 150-155mm to install it properly. This approach allows you to upgrade an existing bike rather than buying a new one.

What wheel sizes fit this conversion kit?

The kit supports multiple wheel diameters to match your frame. Available options include 20, 24, 26, 27.5, and 29 inches. The specific listing data shows a 27.5-inch rear MTX39 variant. You must select the size that matches your current rim or purchase new wheels to ensure the motor fits your bicycle geometry correctly.

Can I use a 72V battery with this motor?

Yes, the system supports a wide voltage range. It is compatible with batteries from 48V up to 72V. This flexibility lets you choose a voltage that suits your speed and range needs. Higher voltage inputs can increase top speed potential, but you must ensure your controller and other components handle the higher electrical load safely.

How wide must my bike frame be?

Your bicycle rear dropouts must measure between 150mm and 155mm. This width is critical for proper installation of the rear hub motor. If your frame spacing is outside this range, the kit will not fit without modification. Always measure your current axle spacing before purchasing to avoid compatibility issues with your specific bike model.

What is the motor power output?

The motor delivers 3000 watts of continuous power. This high output provides strong acceleration and torque for climbing hills. It is designed for riders seeking serious speed potential. The 3000W rating indicates the motor can sustain high loads, making it suitable for heavier loads or steep terrain compared to standard lower-wattage conversion kits.

Does this kit include a display?

The product title references an LCD display, suggesting data visibility is included. This allows you to monitor speed and battery levels. However, the specific attributes list only details the motor and voltage. You should verify the exact contents of your specific package variant to ensure the display is included with your purchase.

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