NBPOWER 135mm dropouts e-Bike kit 48V-72V 3000w e Bike Conversion Kit 100km/h Speed 3000W ebike Conversion kit(27.5inch Rear)

NBPOWER 3000W Electric Bike Conversion Kit: Can It Really Hit 100km/h Speed?

A crazy powerful 3000W conversion kit that hits 62 mph for just $600, perfect for speed lovers who can build it themselves, but battery sold separately and probably too fast to ride legally.

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Key Specifications

Motor

3000W

Best For

How this e-bike scores for different riding styles

High Performance

92/100

Exceptional 3000W motor power with 48V-72V voltage range and 80A controller enables speeds up to 100km/h (62mph), far exceeding typical e-bike performance. The full twist throttle and 8-magnet PAS system provide responsive power delivery for performance enthusiasts seeking maximum capabilities.

Off-Road Adventure

75/100

The 3000W motor and dual suspension setup provide excellent power for tackling challenging terrain and steep trails. However, the 20-inch wheel size is smaller than ideal for off-road stability, and the linear pull brakes may be inadequate for high-speed descents.

Cargo & Utility

55/100

The 3000W motor provides substantial torque for hauling loads, and the 80A controller delivers strong low-end power. However, as a conversion kit without specified weight capacity or cargo-specific features, utility applications remain limited without proper frame compatibility.

Recreational Leisure

50/100

The powerful 3000W motor is excessive for casual riding and may intimidate leisure riders. The dual suspension adds comfort, but the aggressive power delivery and lack of integrated safety features make it less suitable for relaxed neighborhood cruising.

Daily Commuting

45/100

While the 3000W motor provides powerful acceleration, this conversion kit lacks critical commuting features like integrated lights, battery (sold separately), and may exceed legal limits for street use in most jurisdictions. The lack of battery inclusion significantly reduces practicality for daily use.

Compact & Portable

25/100

This is a conversion kit designed to transform an existing bike, not a standalone foldable solution. The 20-inch wheel compatibility suggests smaller bikes, but the kit itself adds weight and complexity without portability features.

Our Verdict

This NBPOWER conversion kit is a beast of power packed into a $600 package. With 3000 watts pushing through an 80-amp controller, this thing can hit speeds over 60 miles per hour, which is faster than most cars drive in neighborhoods. The color display is easy to read, and you get both a twist throttle and pedal help sensor. The dual suspension means bumpy roads won't shake you apart. But here's the catch - you're buying just the motor and controller parts, not a complete bike. You need to already have a bike with 20-inch wheels and buy a big expensive battery separately.

This kit is perfect for people who want to turn their regular bike into a super fast electric bike and know how to work on bikes themselves. It's great for thrill seekers who want crazy speed and don't mind doing some DIY work. The price is really good if you already have a bike and tools. You can choose between 48V for decent speed or 72V for maximum crazy fast speeds. The 8-magnet pedal sensor means the motor kicks in smoothly when you pedal. If you want the fastest e-bike on your block and like building things, this could be your dream kit.

But this isn't for everyone. If you want a bike ready to ride for getting to work, look somewhere else. You can't legally ride this fast on most streets or bike paths - cops might stop you. The brakes are pretty basic and might not stop you quick enough when going super fast, which is scary. There's no UL safety sticker, so it might not meet safety rules. You have to buy the battery separate which costs a lot more money. And if you're not good at fixing bikes, putting this together might be too hard. Also, no lights come with it, so riding at night is dangerous. This is really for experienced bike builders who want massive power and speed more than safety or following the rules.

What We Like

Crazy powerful 3000W motor hits 62 mph - way faster than almost any e-bike you can buy
Works with different battery sizes from 48V to 72V so you can pick your speed and range
Comes with a nice color screen that shows your speed and battery life in bright colors
Has both thumb throttle and pedal help sensor so you can ride however you want
Priced at $600 which is really cheap for this much power compared to buying a whole new e-bike

What Could Be Better

You have to buy the battery separately which could cost another $400-800 on top of the kit price
Linear pull brakes are pretty basic and might not stop you fast enough at high speeds
No safety certification like UL which means it might not meet safety rules in your area
Going 62 mph is illegal on bike paths and most roads - you could get in trouble
Doesn't come with lights or other safety stuff you need for riding on streets

Standout Features

3000W motor power with 100km/h top speed

Over 4x more powerful than typical 750W e-bikes and twice as fast as the 28mph legal limit

48V-72V flexible voltage system with 80A controller

Voltage range allows scaling from standard performance to extreme power, with controller amperage 2-3x higher than average

TFT color display with pedal assist sensor

Premium color screen typically found on $2000+ e-bikes, not common in budget conversion kits

Full Specifications

Performance

Motor Power	3000W
Drivetrain	Single-speed

Build & Frame

Frame Material	Aluminum
Wheel Size	20 Inches
Brake Style	Linear Pull

Features

Included Features

LCD Display

Pedal Assist

Suspension

Throttle

Not Included

App Connectivity

Cruise Control

Fat Tires

Fenders

Foldable

Integrated Lights

Rear Rack

Removable Battery

UL Certified

USB Charging

Walk Mode

Frequently Asked Questions

Common questions about NBPOWER 135mm dropouts e-Bike kit 48V-72V 3000w e Bike Conversion Kit 100km/h Speed 3000W ebike Conversion kit(27.5inch Rear)

Does this kit come with a battery?

No, you have to buy the battery separately. You'll need a 48V, 52V, 60V, or 72V battery depending on how fast you want to go. These batteries usually cost between $400 and $800 extra.

How fast can this bike go?

The kit can reach 100 kilometers per hour, which is about 62 miles per hour. That's faster than most cars drive in town, but it's illegal to go that fast on bike paths and most roads.

Can I install this myself or do I need a bike shop?

You need to know how to work on bikes to install this. You'll be changing the rear wheel, connecting wires, and mounting the controller. If you've never worked on bikes before, a bike shop should help you install it.

What size bike wheel do I need for this kit?

This kit says it fits 20-inch wheels and 27.5-inch wheels depending on which version you pick. The rear fork on your bike needs to be exactly 135mm wide between the drops where the wheel goes.

Is this legal to ride on the street?

Most places have a legal limit of 750 watts and 28 mph for e-bikes. This kit is 3000 watts and goes over 60 mph, so it's not legal as an e-bike in most areas. You might need a motorcycle license and insurance to ride it legally.