Best Electric Motor For Bikes: Compare 7 Conversion Options

#1 · Best Overall

1. Jeaieaiu 26-Inch Hub Kit

Best for: 26-inch rear-hub conversions.

Why it ranks #1: This 48V 1000W rear hub conversion is built around a 26-inch wheel and includes a pedal-assist sensor, thumb throttle, and controller bag.

A 26-inch rear hub wheel with a 48V, 1000W brushless gearless motor makes this kit a wheel-based route for converting a compatible bicycle. The 440rpm specification is paired with a pedal-assist sensor, thumb throttle, controller bag, and manual, giving the kit both rider-input options and a place for the controller.

The 26-inch wheel size defines the bicycle fit, while the 48V, 1000W brushless gearless hub motor avoids the chain-drive layout used by the other listed kits. A pedal-assist sensor and thumb throttle provide two listed ways to control assistance, allowing the conversion to be configured around pedaling or thumb input. The controller bag and English manual are included; the product also lists a seven-speed setup and linear-pull brake style.

Skip it if you have a 16- to 28-inch wheel outside the 26-inch size; FONSOLUM's kit lists compatibility across that range.

The Jeaieaiu AKD654 is for riders converting a 26-inch bicycle who want a rear hub motor, pedal assist, and thumb throttle in one kit. Its stated wheel size is the key fit boundary.

Listed on Amazon as: 26-Inch Electric Bike Conversion Kit, 48V 1000W Brushless Gearless Rear Hub Motor (440 RPM), with PAS Sensor, Thumb Throttle, and Controller Bag—Ideal for Road, Mountain, and Commuter Bikes (DIY)

#2 · Best Chain-Drive Power

2. Kunray 48V Brushless Kit

• Voltage: 48 V
• Wattage: 2000 W
• Weight: 6 kg

Best for: 48V brushless chain-drive builds.

Why it ranks #2: Its 48V brushless motor reaches 2000W peak and includes a 33A controller, throttle, and T8F 11-tooth sprocket chainwheel for chain-drive builds.

A 48V brushless motor rated at 2000W peak and 4300rpm pairs with a 33A controller, giving conversion builders a high-speed chain-drive option. The aluminum body, full copper coil, and naturally air-cooled construction address durability and heat management without requiring a listed cooling accessory.

The 48V motor's 2000W peak output and 42A maximum current suit a build planned around those electrical limits; the included 33A controller is the specified control component. Its T8F 11-tooth sprocket identifies the chain-drive interface, helping establish drivetrain requirements before installation. Aluminum construction is described as resisting oxidation, compression, vibration, and deformation, while natural air cooling avoids dependence on a separate cooling component in the listed setup.

Skip it if you want a lower-voltage, lower-output brushed kit; Haeweypf MY1016 is a 24V, 350W option with chain parts included.

The Kunray BY1020 suits builders seeking a 48V brushless chain-drive motor with an LCD throttle and air-cooled aluminum body. Account for the stated 42A motor maximum and 33A controller when planning the electrical setup.

Listed on Amazon as: Electric Brushless DC Motor Kit,48V 2000W Motor,33A Controller,LCD Throttle

#3 · High-Voltage Output

3. Kunray KR5V Kit

• Voltage: 72 V
• Wattage: 5000 W
• Weight: 5.5 kg

Best for: High-output 72V builds.

Why it ranks #3: The 72V 5000W kit includes a 100A controller, #35 chain and sprocket, and throttle, suiting builds that prioritize its high listed output.

The 72V, 5000W brushless motor arrives with a 100A Fardrive controller, #35 chain and sprocket, and throttle, making this a substantial package for a high-output bike conversion. Its five-pair V-magnet rotor is cited as a performance upgrade, while the rear-cover Hall sensor is positioned to reduce its exposure to heat-related failure.

The 72V rating and 5000W output make this kit a fit for projects planned around a high-voltage, high-power setup; the included 100A controller keeps the matching control unit in the package. A #35 chain and sprocket are included, so the drive components are part of the same kit rather than separate listed purchases. The Hall sensor sits in the back cover, where the product says it is less to burn out than an internally placed sensor.

Skip it if you need a complete wheel-based conversion for a 26-inch bike; Jeaieaiu AKD654 includes a 26-inch rear hub wheel kit.

Choose the Kunray KR5V for a conversion project centered on a 72V, 5000W brushless motor and its included controller and chain drive. Its high-voltage specification makes it a poor fit for a 24V or 48V setup.

Listed on Amazon as: Kunray KR5V 72V 5000W Electric Brushless DC Motor Kit Temperature Sensing

#4 · Adjustable-Speed Kit

4. Unndysrt 48V Brushed Kit

• Voltage: 48 V

Best for: Adjustable-speed 48V builds.

Why it ranks #4: This 48V 1000W brushed kit includes an infinitely adjustable controller, LED-display throttles, and a chain, with a stated 120kg load capacity.

An infinitely adjustable controller paired with a non-slip throttle and LED display gives this 48V, 1000W brushed kit speed control that can be monitored at the handlebar. The package also includes a chain, keys, and throttles, making it a ready collection of core parts for scooter, go-kart, or motorized bicycle projects.

The 26A controller offers infinitely adjustable speed, while the throttle's LED display puts speed information in the rider's view during operation. Its brushed permanent-magnet motor is specified at 48V and 1000W, placing it between lower-output 24V kits and larger brushless options. The listed 120kg load capacity gives builders a concrete application limit to consider, and the T8F sprocket means the chain-drive setup needs that chain type.

Skip it if you need a brushless motor; Kunray BY1020 is a 48V brushless option with 2000W peak power.

Pick the Unndysrt kit for a 48V project where adjustable speed and an LED throttle display matter, including scooter or go-kart builds. Its brushed motor and T8F chain sprocket define the drivetrain fit.

Listed on Amazon as: 48V 1000W Brushed Motor Kit, Electric Dc Motor Kits 3000rpm with 26A Infinitely Adjustable Speed Controller Throttles with LED Display for Scooters Go Karts Motorized Bicycle E-Bike

#5

5. FONSOLUM 24V Conversion Kit

• Weight: 7.5 lb

Best for: Broad wheel-size DIY conversions.

Why it ranks #5: The 24V 250W chain-drive conversion kit includes a controller, mounting plate, freewheel adapter, and accelerator handle, and lists wheel sizes from 16 to 28 inches.

Compatibility with 16- to 28-inch wheels and standard 0.87-inch handlebars gives this 24V, 250W chain-drive kit a broad stated range of conversion targets. The package includes a mounting plate, chain, freewheel, adapter, controller, and accelerator handle, so its listed parts cover several assembly needs.

The stated 16- to 28-inch wheel range and 0.87-inch standard handlebar fit help identify whether a bicycle or scooter can use the kit before assembly. Its 24V, 250W brushed motor is paired with a controller and accelerator handle, while the chain, freewheel, and adapter support the listed chain-drive arrangement. A cable of about 4.92 feet gives additional connection reach to the controller, and an installation manual is referenced for setup guidance.

Skip it if you want a 26-inch rear hub conversion instead of chain drive; Jeaieaiu AKD654 specifies a 26-inch hub-wheel kit.

Choose the FONSOLUM kit for a DIY 24V conversion where broad wheel-size compatibility and included chain-drive parts matter. Check the stated 0.87-inch handlebar fit and 16- to 28-inch wheel range against your project.

Listed on Amazon as: Electric Bicycle Motor Kit, 24V 250W E-Bike Conversion Kit, Electric Bicycle Retrofit w/Brushed Controller, DIY Powerful Electric Scooter Motor Kit Chain Drive Convert for 16-28''Wheel

#6 · Complete 24V Kit

6. Haeweypf 24V Brushed Kit

• Voltage: 24 V DC
• Wattage: 350 W
• Weight: 2.6 kg

Best for: Compact 24V chain-drive projects.

Why it ranks #6: This 24V 350W kit supplies a controller, throttle, chain, freewheel, and sprockets, with a stated 3000RPM speed and 25H chain format.

The included 25H chain, 80-tooth chain sprocket, freewheel, and 11-tooth motor sprocket make this 24V, 350W brushed kit a defined chain-drive package. Its 3000rpm motor and throttle with key suit smaller conversion projects that need listed drivetrain parts as well as the motor and controller.

The MY1016 motor is rated at 24V, 350W, and 3000rpm, giving builders clear electrical and speed figures for a modest-power project. The 25H motor sprocket, 80-tooth chain sprocket, chain, and freewheel make the drive components explicit, which can simplify parts planning when the project uses that chain format. A controller and throttle are included, and the controller is described as having heat dissipation and multiple protections.

Skip it if you need more than 350W; Kunray BY1020 specifies 2000W peak power at 48V.

Choose the Haeweypf kit for a 24V, 350W conversion where a complete 25H chain-drive set and keyed throttle are useful. Its specified output and drivetrain format set the project's boundaries.

Listed on Amazon as: 24V 350W Brushed Electric Motor Kit, Speed Controller, Throttle with Key

#7

7. MYFULLY 24V Motor

• Voltage: 24 V DC
• Wattage: 350 W

Best for: Standalone 24V motor projects.

Why it ranks #7: The standalone 24V 350W brushed motor is rated at 2800RPM and includes a 25H-chain sprocket, but the listing does not include a controller or conversion kit.

A 24V brushed permanent-magnet motor rated at 350W and 2800rpm gives builders a clearly specified standalone drive component. Its aluminum body and copper coil are cited for abrasion resistance and service life, while the included sprocket supports use with a 25H chain.

The motor's 24V DC rating, 16.5A current, 350W output, and 0.9Nm torque provide concrete electrical and mechanical values for planning a compatible project. Its 2800rpm rated speed identifies its operating specification, and the included sprocket is intended for a 25H chain. Aluminum and copper construction is described as durable and abrasion resistant; the listed package contains the motor rather than a controller, throttle, or full conversion kit.

Skip it if you need a complete 24V kit with controller and throttle; Haeweypf MY1016 includes both along with chain-drive components.

The MYFULLY motor suits builders who already have compatible controls and need a 24V, 350W brushed unit for a 25H chain drive. Its standalone listing makes it a poor choice for a complete conversion.

Listed on Amazon as: MYFULLY 24V 350W Brushed Permanent Magnet Electric Motor Generator 2800RPM