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10 Best Electric Bike Conversion Kits 2025 in the United States
#1
Winner
BAFANG Mid Drive Kit 750W 1000W 500W BBS02B BBS-HD Electric Bike Conversion Kit 48V 52V Ebike Conversion Kit for 68-73MM Mountain Bike Road Bike with Battery and Display(Optional)
The BAFANG Mid Drive Kit is a versatile electric bike conversion kit available in 500W, 750W, and 1000W variants, making it suitable for a range of power needs. The motor offers strong torque (up to 160N.m) and can reach speeds up to 45KMH, which is ideal for various terrains including mountain trails and city streets. It supports multiple riding modes: throttle, pedal assistance, and standard cycling, allowing customization based on preference and situation.
Rating
9.9
Chosen by1,426
Motor Type
Installation Ease
Most important from
3 reviews
#2
Bafang 1000W Mid Drive Kit with Battery(Optional) :Bafang HD BBS03 Ebike Conversion Kit with Display,48V/52V 8Fun Electric Bike Conversion Kit for Moutain Road Bike
The Bafang 1000W Mid Drive Kit is a robust option for those looking to convert a traditional bike into an electric one. With a powerful 1000W motor that offers impressive torque and speed, it excels in climbing hills and achieving high speeds on flat terrain, making it suitable for mountain bikes, commuter bikes, and even fat bikes. Its universal compatibility allows it to fit a wide range of bicycles, with specific requirements for the bottom bracket size. This flexibility is a significant advantage for users with diverse biking needs.
Rating
9.8
Motor Type
Battery Capacity
Compatibility
Most important from
15 reviews
#3
PEXMOR Electric Bike Conversion Kit, 48V 1200W 26" Rear Wheel E-Bike Conversion Kit, Ebike Hub Motor Kit Upgrade 3 Mode Controller w/PAS/LCD Display/Twist Throttle Electric Bicycle Ebike Kit
The PEXMOR Electric Bike Conversion Kit is a powerful and versatile option for those looking to convert their regular bike into an electric one. With a 48V 1200W brushless hub motor, it offers impressive speed capabilities, reaching up to 36.6 mph. This makes it suitable for those who enjoy fast rides and need a robust motor. The kit is compatible with any 26" bicycle frame having a 135mm rear dropout spacing, making it a flexible choice for many bikes.
Rating
9.7
Motor Power
Battery Capacity
Installation Ease
Most important from
107 reviews
Top 10 Best Electric Bike Conversion Kits 2025 in the United States
#1
Winner
9.9 score
BAFANG Mid Drive Kit 750W 1000W 500W BBS02B BBS-HD Electric Bike Conversion Kit 48V 52V Ebike Conversion Kit for 68-73MM Mountain Bike Road Bike with Battery and Display(Optional)
BAFANG Mid Drive Kit 750W 1000W 500W BBS02B BBS-HD Electric Bike Conversion Kit 48V 52V Ebike Conversion Kit for 68-73MM Mountain Bike Road Bike with Battery and Display(Optional)
Motor Type: Mid Drive
Motor Power: 500W, 750W, 1000W
Compatibility: 68-73mm, 100mm, 120mm brackets
Installation Ease: Manuals and video resources
Control System: Throttle, pedal assistance, cycling
Chosen by 1426 this week
Bafang 1000W Mid Drive Kit with Battery(Optional) :Bafang HD BBS03 Ebike Conversion Kit with Display,48V/52V 8Fun Electric Bike Conversion Kit for Moutain Road Bike
Bafang 1000W Mid Drive Kit with Battery(Optional) :Bafang HD BBS03 Ebike Conversion Kit with Display,48V/52V 8Fun Electric Bike Conversion Kit for Moutain Road Bike
Motor Type: Mid Drive
Motor Power: 1000W
Compatibility: Universal
Installation Ease: Straightforward
Control System: E-bike, Pedal Assist, Push Assist
Weight: 6 Kilograms
PEXMOR Electric Bike Conversion Kit, 48V 1200W 26" Rear Wheel E-Bike Conversion Kit, Ebike Hub Motor Kit Upgrade 3 Mode Controller w/PAS/LCD Display/Twist Throttle Electric Bicycle Ebike Kit
PEXMOR Electric Bike Conversion Kit, 48V 1200W 26" Rear Wheel E-Bike Conversion Kit, Ebike Hub Motor Kit Upgrade 3 Mode Controller w/PAS/LCD Display/Twist Throttle Electric Bicycle Ebike Kit
Motor Type: brushless hub motor
Motor Power: 48V 1200W
Compatibility: 26" frame, 135mm rear dropout
Installation Ease: tools and instructions provided
Control System: sine wave controller, PAS, 4 modes
PEXMOR Electric Bike Conversion Kit, 48V 1200W 26" Front Wheel E-Bike Conversion Kit, Ebike Hub Motor Kit Upgrade 3 Mode Controller w/PAS/LCD Display/Twist Throttle Electric Bicycle Ebike Kit
PEXMOR Electric Bike Conversion Kit, 48V 1200W 26" Front Wheel E-Bike Conversion Kit, Ebike Hub Motor Kit Upgrade 3 Mode Controller w/PAS/LCD Display/Twist Throttle Electric Bicycle Ebike Kit
Motor Type: Brushless hub motor
Motor Power: 1200W
Battery Capacity: 504 Watt Hours
Compatibility: 26-inch bicycle
Installation Ease: User-friendly with tools and guides
Control System: 3-mode controller with sine wave tech
VEVOR 1000W Electric Bike Conversion Kit, 48V 420rpm 26" Front Wheel E-Bike Hub Motor Kit with Upgraded Speed Controller, Throttle Grip Kit, LCD Display, and PAS System for Road Bike
VEVOR 1000W Electric Bike Conversion Kit, 48V 420rpm 26" Front Wheel E-Bike Hub Motor Kit with Upgraded Speed Controller, Throttle Grip Kit, LCD Display, and PAS System for Road Bike
Motor Type: 26-inch front wheel hub motor
Motor Power: 1000W
Compatibility: 26-inch road bikes, front-wheel setup
Installation Ease: DIY, basic bike mechanics needed
Control System: Speed controller, 3 modes: pedal, electric
Weight: 20.5 pounds
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YS YOSE POWER Waterproof Ebike Conversion Kit with Battery Electric Bike 26in Rear Wheel Hub Motor Kit 48V 500W Electric Bike Kit Brushless Cassette Engine
YS YOSE POWER Waterproof Ebike Conversion Kit with Battery Electric Bike 26in Rear Wheel Hub Motor Kit 48V 500W Electric Bike Kit Brushless Cassette Engine
Motor Type: brushless gear motor
Motor Power: 500W
Battery Capacity: 48V 13Ah
Compatibility: 8S, 9S, 10S freewheels
Installation Ease: straightforward
Control System: five pedal assist levels
Weight: 25 pounds
20" Front Wheel Hub Electric Bike Conversion Kit, 48V 1000W E-Bike Powerful Hub Motor Kit with SW-810LED Display Waterproof Wire Front Wheel Hub Assembly Motor Kit (US Stock)
20" Front Wheel Hub Electric Bike Conversion Kit, 48V 1000W E-Bike Powerful Hub Motor Kit with SW-810LED Display Waterproof Wire Front Wheel Hub Assembly Motor Kit (US Stock)
Motor Type: brushless toothed
Motor Power: 1000W
Compatibility: V brakes, disc brakes
Installation Ease: detailed installation
Control System: thumb throttle, SW-810LED display
#10
8.3 score
eBikeling Ebike Conversion Kit 36V 500W, 26" Front Waterproof Conversion Kit, Add On Electric Bike Kit, Transform Your Bicycle with High-Performance E-Bike Technology
eBikeling Ebike Conversion Kit 36V 500W, 26" Front Waterproof Conversion Kit, Add On Electric Bike Kit, Transform Your Bicycle with High-Performance E-Bike Technology
Motor Power: 500W
Compatibility: mountain bike, beach cruiser, trike
Installation Ease: straightforward
Control System: user-friendly
Weight: 7.4 pounds
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Buying Guide for the Best Electric Bike Conversion Kits
Electric bike conversion kits are a great way to transform your regular bicycle into an electric bike, giving you the benefits of electric assistance without having to buy a whole new bike. When choosing a conversion kit, it's important to consider several key specifications to ensure you get the best fit for your needs. Here are the main specs to look at and how to navigate them.Motor TypeThe motor is the heart of the conversion kit and determines how much assistance you'll get. There are two main types: hub motors and mid-drive motors. Hub motors are located in the wheel and are easier to install, making them a good choice for casual riders. Mid-drive motors are located near the bike's pedals and provide better performance, especially on hills, making them ideal for more serious cyclists. Choose a motor type based on your riding style and terrain.
Motor PowerMotor power is measured in watts and indicates how much assistance the motor can provide. Common options range from 250W to 1000W. Lower power motors (250W-500W) are suitable for flat terrains and casual riding, while higher power motors (750W-1000W) are better for hilly areas and more demanding rides. Consider your typical riding conditions and how much assistance you need when selecting motor power.
Battery CapacityBattery capacity, measured in watt-hours (Wh), determines how far you can ride on a single charge. Higher capacity batteries (500Wh and above) offer longer ranges, which is important for long-distance commuting or touring. Smaller batteries (250Wh-500Wh) are lighter and may be sufficient for shorter rides. Think about your average ride length and how often you want to charge the battery to choose the right capacity.
CompatibilityCompatibility refers to how well the conversion kit fits with your existing bike. Check the specifications to ensure the kit is compatible with your bike's frame, wheel size, and brake type. Some kits are designed for specific types of bikes, such as mountain bikes or road bikes. Make sure to match the kit to your bike to avoid installation issues.
Installation EaseInstallation ease is important if you plan to install the kit yourself. Some kits come with detailed instructions and all necessary tools, making them easier to install. Others may require more technical knowledge or professional help. If you're not confident in your mechanical skills, look for a kit with straightforward installation or consider getting professional assistance.
Control SystemThe control system includes the display and throttle or pedal-assist sensor. Displays show important information like speed, battery level, and assistance mode. Throttles allow you to control the motor with your hand, while pedal-assist sensors provide assistance based on your pedaling. Decide whether you prefer a throttle, pedal-assist, or a combination of both, and choose a control system that offers the features you need.
WeightThe weight of the conversion kit affects the overall weight of your bike. Heavier kits can make the bike harder to handle, especially when the motor is off. Lighter kits are easier to manage but may offer less power or battery capacity. Consider your strength and how you plan to use the bike to find a balance between weight and performance.