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3 Best NB Power 26 Inch Electric Bikes, Compared

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This guide reviews the best NB Power 26 Inch electric bikes for your needs. We compared 3 models strictly using published specifications. The NB Power 26-Inch 72V 2000W Rear Conversion Kit leads the list. Its 2000W motor delivers serious power for DIY builders who want to convert their current 26-inch bike into a high-speed machine. You can trust these picks because they are based on the specs published on the listings. This guide helps you decide which kit matches your frame and performance goals.

Quick picks

#ProductBest forPrice
1 NB Power 26-Inch 72V 2000W Rear Conversion Kit Best overall High-power DIY e-bike conversions Check price of NB Power 26-Inch 72V 2000W Rear Conversion Kit on Amazon
2 NB Power 72V 5000W Rear Wheel E-Bike Kit Best premium high-power speed builds Check price of NB Power 72V 5000W Rear Wheel E-Bike Kit on Amazon
3 NB Power 2000W 52V Rear Wheel Conversion Kit Best budget High-speed conversions on compatible frames Check price of NB Power 2000W 52V Rear Wheel Conversion Kit on Amazon

The best fit for you

Our 3 picks

Best overall

NB Power 26-Inch 72V 2000W Rear Conversion Kit

Best for: High-power DIY e-bike conversions

Wheel Size
26 Inch (what this guide is about)
Motor Power
2000W
Battery Voltage
72V
Dimensions
15 × 15 × 22 inches

View on Amazon: NB Power 26-Inch 72V 2000W Rear Conversion Kit Affiliate link

This NB Power conversion kit features a 2000W rear hub motor and a 72V battery system. It includes a multifunction SW900 color display and a 7-speed freewheel. The controller supports 48-72V input, allowing voltage adjustments. You get a dual-mode sine wave controller with 18 MOSFETs. This setup suits riders seeking high power for their existing 26-inch frames.

Pros

  • 2000W rear hub motor for strong acceleration
  • 72V battery voltage for extended range potential
  • SW900 color display with adjustable voltage settings
  • Compatible with 48V to 72V battery systems

Cons

  • Requires separate battery and bike frame assembly
  • Heavy rear wheel may affect handling balance
  • No mention of integrated throttle or brake sensors

Good fit if

  • You want to upgrade a standard 26-inch bike
  • You need high torque for hilly terrain
  • You prefer a color display for ride data

Skip if

  • You need a plug-and-play complete electric bike
  • You require a lightweight rear wheel assembly
  • You only have a 48V battery system

Verdict: NB Power 26 Inch 72V 2000W Kit delivers serious power for DIY builders. It fits riders who want to convert their current 26-inch bike into a high-speed machine without buying a new frame.

Best premium

NB Power 72V 5000W Rear Wheel E-Bike Kit

Best for: high-power speed builds

Wheel Size
26 Inch (what this guide is about)
Motor Power
5000W
Battery Voltage
72V
Weight
35.3 pounds

View on Amazon: NB Power 72V 5000W Rear Wheel E-Bike Kit Affiliate link

This NB Power conversion kit features a 72V battery voltage and a 5000W motor for high-speed performance. It includes a programmable TFT color display with five speed levels and wheel size adjustment. The system uses a Sabvoton 100A controller and waterproof connectors. It fits rear fork distances of 150-155mm. You get a heavy 35.3-pound unit designed for powerful electric bike builds.

Pros

  • 5000W motor power for high speed
  • 72V battery voltage for strong output
  • Programmable TFT color LCD display
  • Sabvoton 100A waterproof controller
  • Waterproof fast-release connectors for all parts

Cons

  • Heavy at 35.3 pounds
  • Narrow rear fork fit of 150-155mm
  • No remote or smartphone app control

Good fit if

  • You need maximum motor power
  • You want a programmable display
  • Your bike has a 150-155mm rear fork

Skip if

  • You need a lightweight build
  • Your fork spacing is wider than 155mm
  • You prefer simple lever-only controls

Verdict: NB Power 26" 72V 5000W Ebike Kit offers serious power for riders who prioritize speed and customization over weight. It suits builders with compatible fork spacing who want detailed display controls.

Best budget

NB Power 2000W 52V Rear Wheel Conversion Kit

Best for: High-speed conversions on compatible frames

Wheel Size
26 Inch (what this guide is about)
Motor Power
2000W
Battery Voltage
52V
Top Speed
about 60-65km/hour
Dimensions
100 × 100 × 50 centimeters
Weight
24.3 pounds

View on Amazon: NB Power 2000W 52V Rear Wheel Conversion Kit Affiliate link

This NB Power conversion kit transforms a standard bicycle into an electric bike. It features a 2000W rear motor and a 52V battery system. The setup includes a color KT LCD8H display for monitoring ride data. You can expect a top speed of about 60 to 65 km/h. The kit weighs 24.3 pounds and fits 26-inch wheels with a 135mm rear fork distance.

Pros

  • 2000W rear wheel motor for strong acceleration
  • 52V battery voltage supports high performance
  • Includes color KT LCD8H display for control
  • Cruise control function built into the controller

Cons

  • Heavy 24.3-pound weight makes handling difficult
  • Requires specific 135mm rear fork spacing
  • High speed may exceed local legal limits

Good fit if

  • You need a powerful upgrade for an existing bike
  • Your bike frame has a 135mm rear dropout width
  • You want a clear color display for ride metrics

Skip if

  • You require a lightweight installation under 15 pounds
  • Your bike frame uses a 100mm or 130mm spacing
  • You prefer a complete bike over a conversion kit

Verdict: NB Power 26 Inch 2000W E-Bike Kit delivers serious speed for riders who already own a compatible frame and want a high-output motor upgrade.

Specifications side by side

Spec NB Power 26-Inch 72V 2000W Rear Conversion Kit NB Power 72V 5000W Rear Wheel E-Bike Kit NB Power 2000W 52V Rear Wheel Conversion Kit
Motor Power 2000W 5000W 2000W
Battery Voltage 72V 72V 52V
Top Speed not stated not stated about 60-65km/hour
Wheel Size 26inch 26 in 26inch
Dimensions 15 × 15 × 22 inches not stated 100 × 100 × 50 centimeters
Weight not stated 35.3 pounds 24.3 pounds
Size 26inch 26inch 26inch
Color 26inch Rear 26inch 26inch

How to Choose the Right NB Power Kit

  1. Check Your Fork Spacing

    Before buying any kit, measure your rear dropouts. The NB Power 26" 72V 5000W Rear Wheel E-Bike Kit requires compatible fork spacing to fit properly. If your frame does not have the correct width, the wheel will not install securely. Always verify these dimensions against the product specs before ordering. An incorrect fit can lead to safety issues or require expensive frame modifications. Check the listed width in inches or centimeters to ensure compatibility with your existing bike frame.

  2. Match Battery Voltage

    You must ensure your battery matches the motor voltage. The NB Power 26-Inch 72V 2000W Rear Conversion Kit requires a 72V battery. Using a lower voltage battery will reduce performance significantly. Another model uses a 52V battery. Choose the voltage that matches your existing power source. Mismatched voltage can damage the controller or motor. Check the attributes section for the required voltage. This spec is critical for safe operation and achieving the advertised speed capabilities of the conversion kit.

  3. Consider Motor Power

    Motor power determines your acceleration and top speed. The top pick features a 2000W motor, which provides strong torque for hill climbing. The second option offers 5000W power for maximum speed. Higher wattage means more energy consumption. You should select the power level based on your local speed limits and terrain. If you need gentle assistance, a lower wattage may suffice. For steep hills, choose the higher power option. Review the motor power attribute to compare output across the different NB Power models available.

  4. Weigh the Components

    Heavier kits add weight to your rear wheel. The NB Power 2000W 52V Rear Wheel Conversion Kit weighs 24.3 pounds. The 5000W kit weighs 35.3 pounds. Added weight affects handling and acceleration. A lighter wheel spins up faster. Consider how this mass impacts your riding experience. If you plan to pedal without assist, lighter is better. If you rely mostly on throttle, weight matters less. Compare the weight specs to find a balance between power and manageable weight for your specific riding style.

  5. Verify Wheel Size

    All kits in this guide use 26-inch wheels. Ensure your current bike has 26-inch rear dropouts. The NB Power kits are designed specifically for this wheel size. They are not compatible with 27.5 or 29-inch wheels. Check your bike frame before purchasing. Installing the wrong size wheel will not work. The product name and attributes clearly state the size. Confirm this measurement to avoid returns. This is a fixed specification for all models listed, so you only need to check your bike frame compatibility.

Frequently asked questions

What is the difference between the 72V and 52V NB Power kits?

The primary difference is the battery voltage, which affects speed and power delivery. The top-rated kit uses a 72V system with a 2000W motor. Another model also uses 72V but features a higher 5000W motor output. A third option drops to 52V while keeping the 2000W motor rating. Higher voltage generally supports higher top speeds for your DIY build.

Which NB Power kit is the heaviest?

The NB Power 72V 5000W Rear Wheel E-Bike Kit is the heaviest option on the list. It weighs 35.3 pounds. This weight reflects the robust components needed for high-power output. In comparison, the 2000W 52V kit weighs 24.3 pounds. The other 2000W kit does not list a specific weight in its published specs. Heavier kits may require sturdier frame support.

Can I use these kits on any 26-inch bike frame?

No, you must check your rear fork spacing before installation. The NB Power 72V 5000W kit explicitly requires compatible fork spacing to fit properly. You need to measure your rear dropouts to ensure the wheel fits. The other kits also target 26-inch wheels, but frame compatibility is critical. Verify your bike’s specifications match the kit requirements.

What is the maximum motor power available in this list?

The maximum motor power available is 5000W. This output is found in the NB Power 72V 5000W Rear Wheel E-Bike Kit. This model is designed for riders who prioritize speed and customization over weight. The other two kits feature 2000W motors. The 5000W option delivers significantly more power for high-speed conversions.

Do these kits include displays for controls?

The product data indicates that the NB Power 72V 5000W kit allows for detailed display controls. This suggests you can manage settings through a connected interface. The descriptions for the other two kits do not mention specific display features or control interfaces. You should verify included accessories with the seller if precise control options are required for your build.

Which kit is best for a lightweight build?

The NB Power 2000W 52V Rear Wheel Conversion Kit is the lightest listed option. It weighs 24.3 pounds. This makes it a better choice if you want to minimize added weight on your bike. The 5000W kit weighs 35.3 pounds, which is significantly heavier. The other 2000W kit does not provide a weight specification for comparison.

Are all these kits rear-wheel conversions?

Yes, all three listed models are rear-wheel conversion kits. The first kit is described as a 26-Inch 72V 2000W Rear Conversion Kit. The second is a 72V 5000W Rear Wheel E-Bike Kit. The third is a 2000W 52V Rear Wheel Conversion Kit. They are designed to replace the existing rear wheel on your bicycle frame.

See also