As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

NB Power Electric Bikes: 4 Picks Ranked by Specs

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

This guide ranks the best NB Power electric bikes based on published specifications. We compare 4 kits, focusing on motor power, voltage, and wheel size. NB Power offers rear hub conversion kits for various frame dropouts and wheel diameters. The top pick is the NB Power 72V 2000W Rear Hub Motor Kit. It leads for high-power 24-inch wheel conversions. These kits prioritize raw output and manual display control. You can find options for 19-inch to 26-inch wheels. The data highlights voltage flexibility and weight differences. We avoid subjective claims. We only use the facts provided in the product listings. This approach helps you choose the right build for your frame.

Quick picks

#ProductBest forPrice
1 NB Power 72V 2000W Rear Hub Motor Kit Best overall High-power 24-inch wheel conversions Check price of NB Power 72V 2000W Rear Hub Motor Kit on Amazon
2 NB Power 72V 5000W Rear Wheel E-Bike Kit Best premium High speed 26 inch 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 26-inch wheels Check price of NB Power 2000W 52V Rear Wheel Conversion Kit on Amazon
4 NB Power 135mm 3000W Conversion Kit Best 3000w high-speed builds on 135mm frames Check price of NB Power 135mm 3000W Conversion Kit on Amazon

Our 4 picks

Best overall

NB Power 72V 2000W Rear Hub Motor Kit

Best for: High-power 24-inch wheel conversions

Motor Power
2000W
Battery Voltage
72V
Wheel Size
24inch

View on Amazon: NB Power 72V 2000W Rear Hub Motor Kit Affiliate link

This NB Power conversion kit features a 2000W rear hub motor and a 72V battery system. It includes an SW900 multifunction display and MTX33/39 double-wall alloy rims. The controller supports 48-72V input with 18 MOSFETs. You can adjust voltage settings directly on the display. This setup suits riders seeking high power output for a 24-inch wheel conversion.

Pros

  • 2000W rear hub motor for strong acceleration
  • 72V battery voltage for extended range potential
  • SW900 display with voltage adjustment capabilities
  • MTX33/39 double-wall alloy rims for durability

Cons

  • Limited to 24-inch wheel size options
  • Heavy battery voltage may require robust frame
  • No mention of included battery or charger

Good fit if

  • You need a high-power rear wheel conversion
  • You prefer a 24-inch wheel diameter
  • You want manual voltage control via display

Skip if

  • You require a 26-inch or larger wheel
  • You need a complete battery and charger included
  • You prefer a lightweight 48V system

Verdict: NB Power 72V 2000W Rear Wheel Kit delivers substantial power for 24-inch conversions. It fits riders who prioritize motor output and manual display control over convenience features.

Best premium

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

Best for: High speed 26 inch builds

Motor Power
5000W
Battery Voltage
72V
Wheel Size
26 in
Weight
35.3 pounds

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

This NB Power kit features a 5000W motor and 72V system for high speed. It includes a programmable TFT color display and a 100A Sabvoton controller. The rear wheel fits 150-155mm dropouts. You get waterproof connectors for all parts. It suits riders needing serious power and speed on a 26-inch wheel.

Pros

  • 5000W QS 205 high speed motor
  • 72V battery voltage system
  • Programmable TFT color LCD display
  • 100A Sabvoton waterproof controller

Cons

  • Heavy 35.3 pounds weight
  • Requires 150-155mm rear dropouts
  • No remote or app mentioned

Good fit if

  • You want maximum speed
  • You have a 26-inch frame
  • You need a waterproof system

Skip if

  • You have narrow rear dropouts
  • You prefer lightweight parts
  • You need app connectivity

Verdict: NB Power 26" 5000W 72V Kit delivers raw power for speed-focused builds. It fits riders who prioritize motor output over weight or smart features.

Best budget

NB Power 2000W 52V Rear Wheel Conversion Kit

Best for: High-speed conversions on 26-inch wheels

Motor Power
2000W
Battery Voltage
52V
Top Speed
about 60-65km/hour
Wheel Size
26inch
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 kit converts your bike with a 52V battery system and a 2000W rear hub motor. It reaches about 60-65 km/h. The 26-inch wheel uses a double-wall aluminum rim. It includes a color KT LCD8H display and a 40A sine wave controller with cruise control. This setup suits riders seeking high speed and reliable power for their conversion project.

Pros

  • 52V battery voltage for strong power output
  • 2000W rear hub motor reaches 60-65 km/h
  • Includes color KT LCD8H display
  • 40A sine wave controller with cruise control

Cons

  • Limited to 26-inch wheel size
  • Heavier at 24.3 pounds
  • Fixed 135mm rear dropout spacing

Good fit if

  • You need a 52V system for higher performance
  • Your bike frame accepts 135mm dropouts
  • You want a color display for ride data

Skip if

  • You require a 20-inch or 29-inch wheel
  • Your frame needs 100mm or 135mm front spacing
  • You prefer a lighter component under 20 pounds

Verdict: NB Power 52V 2000W Rear Wheel Kit delivers serious speed for frames with 135mm dropouts. It fits riders who prioritize voltage and motor power over lightweight construction.

Best 3000w

NB Power 135mm 3000W Conversion Kit

Best for: high-speed builds on 135mm frames

Motor Power
3000W
Battery Voltage
48V-72V
Top Speed
100km/h
Wheel Size
19"

View on Amazon: NB Power 135mm 3000W Conversion Kit Affiliate link

This NB Power conversion kit features a 3000W motor designed for a 19-inch rear wheel. It supports battery voltages between 48V and 72V. The system includes a sine wave 80A controller and a TFT color display. It targets riders seeking high speed, with a rated top speed of 100km/h. The kit fits frames with 135mm dropouts. You should verify your frame compatibility before purchase.

Pros

  • 3000W motor power for high output
  • TFT UKC1 color display for data
  • Supports 48V to 72V battery systems
  • 135mm rear dropout spacing
  • 80A sine wave controller included

Cons

  • Limited to 19-inch wheel size
  • High top speed requires careful handling
  • Single speed freewheel configuration only

Good fit if

  • You need a 135mm rear dropout frame
  • You want a 3000W motor upgrade
  • You use a 48V to 72V battery

Skip if

  • You require a 135mm dropout frame
  • You prefer a 2000W motor kit
  • You need a 72V 5kw system

Verdict: NB Power 3000W 19" Rear Wheel Kit delivers raw power for specific 135mm dropout frames. It suits builders prioritizing speed and voltage flexibility over standard wheel sizes.

Specifications side by side

Spec NB Power 72V 2000W Rear Hub Motor Kit NB Power 72V 5000W Rear Wheel E-Bike Kit NB Power 2000W 52V Rear Wheel Conversion Kit NB Power 135mm 3000W Conversion Kit
Motor Power 2000W 5000W 2000W 3000W
Battery Voltage 72V 72V 52V 48V-72V
Top Speed not stated not stated about 60-65km/hour 100km/h
Wheel Size 24inch 26 in 26inch 19"
Weight not stated 35.3 pounds 24.3 pounds not stated
Dimensions not stated not stated 100 × 100 × 50 centimeters not stated
Color 24inch Rear 26inch 26inch motor rim 19inch
Size not stated 26inch 26inch 19"

NB Power Electric Bikes Ranked

NB Power kits vary primarily by motor wattage and battery voltage. The NB Power 72V 2000W Rear Hub Motor Kit leads with balanced power for 24-inch wheels. It suits riders who need reliable output without excessive weight. The NB Power 72V 5000W Rear Wheel E-Bike Kit offers higher speed for 26-inch builds. This option fits those prioritizing raw power over convenience features.

Voltage choices also define the lineup. The NB Power 2000W 52V Rear Wheel Conversion Kit provides serious speed for standard frames. It is ideal for users seeking a 52V system. For specific 135mm dropouts, the NB Power 135mm 3000W Conversion Kit delivers flexibility. It works best for builders who need 48V support with a 19-inch wheel. These specs help you match the kit to your frame.

Who NB Power Kits Suit

NB Power targets builders seeking high-wattage conversions. The range spans 19 to 26-inch wheels, with 24-inch options available. Voltage choices include 48V, 52V, and 72V systems. Motor outputs reach up to 5000W for speed-focused builds. These kits fit riders prioritizing raw power over convenience. You will not find integrated displays or smart features in this lineup. Weight varies from 24 to 35 pounds depending on the motor size. This brand suits those willing to handle manual control and specific frame dropouts. It is ideal for custom projects where performance outweighs ease of use.

Choosing the Right NB Power Kit

  1. Match Wheel Diameter

    Your existing wheel size dictates which kit fits your frame. The NB Power 72V 2000W Rear Hub Motor Kit is designed specifically for 24-inch wheels. If you have a 26-inch frame, consider the 72V 5000W Rear Wheel E-Bike Kit instead. The 19-inch option suits smaller frames. Ensure the new wheel matches your current tire and brake setup. Mismatched sizes require additional parts. Check your rim diameter before ordering to avoid compatibility issues with your existing components.

  2. Assess Motor Power Needs

    Motor wattage determines acceleration and hill-climbing ability. The 5000W kit offers raw power for speed-focused builds. The 2000W models provide substantial output for general use. Higher wattage increases speed but demands more from your battery and controller. The 3000W kit balances power for specific frames. Consider your local speed limits and terrain. More power requires careful wiring. Choose based on your desired top speed and load capacity rather than just maximum numbers.

  3. Select Battery Voltage

    Voltage affects system efficiency and top speed. NB Power offers 48V, 52V, and 72V options. The 72V kits deliver higher peak speeds. The 52V kit suits riders wanting serious speed with slightly lower voltage. The 48V kit offers voltage flexibility. Higher voltage systems require compatible controllers and chargers. Match the voltage to your current battery or plan for a full upgrade. Consistency between motor and battery is critical for performance and safety.

  4. Check Dropout Width

    Frame dropout width determines mechanical fit. The 3000W kit requires 135mm dropouts. The 26-inch 52V kit also fits 135mm frames. Measure your frame carefully before purchasing. Incorrect width causes installation failure. Most standard bikes use 135mm or 142mm. Some older models may differ. Verify your frame specifications against the kit requirements. This step prevents costly returns. Proper fit ensures secure mounting and safe riding.

  5. Consider Weight Limits

    Kit weight impacts handling and installation. The 26-inch 52V kit weighs 24.3 pounds. The 5000W 26-inch kit weighs 35.3 pounds. Heavier motors affect bike balance. Lighter kits are easier to handle. Consider your total bike weight. Excessive weight may strain brakes and suspension. Check your frame strength. Ensure your forks can handle the added mass. Balance power with practicality for your riding style.

Frequently asked questions

Which NB Power kit is best for 24-inch wheels?

The NB Power 72V 2000W Rear Hub Motor Kit is the top choice for 24-inch conversions. It delivers 2000W of power at 72V. This setup suits riders who prioritize motor output and manual display control. It is the best overall pick for this specific wheel size.

What is the most powerful NB Power e-bike kit available?

The NB Power 72V 5000W Rear Wheel E-Bike Kit offers the highest power output in this lineup. It features a 5000W motor running on a 72V battery. This kit is designed for high-speed builds on 26-inch wheels. It fits riders who value raw speed over weight or smart features.

Does NB Power offer a 52V conversion kit?

Yes, the NB Power 2000W 52V Rear Wheel Conversion Kit is available. It is rated as the best 52V option in this guide. The kit includes a 2000W motor and fits 26-inch wheels. It is ideal for frames with 135mm dropouts that require serious speed.

Which NB Power kit is best for 135mm frames?

The NB Power 135mm 3000W Conversion Kit is tailored for 135mm dropout frames. It provides 3000W of power at 48V. The wheel size is 19 inches. This kit suits builders who prioritize speed and voltage flexibility over standard wheel dimensions.

How heavy is the NB Power 5000W kit?

The NB Power 72V 5000W Rear Wheel E-Bike Kit weighs 35.3 pounds. This weight reflects its high-power 5000W motor and 72V system. The kit is designed for 26-inch wheels. Heavier components support the raw power needed for speed-focused builds.

Which NB Power kit is the lightest option?

The NB Power 2000W 52V Rear Wheel Conversion Kit is the lightest at 24.3 pounds. It offers 2000W of power on a 52V system. The 26-inch wheel size accommodates standard frames. This balance of weight and power makes it a strong contender for many builders.

See also