10 Best Electric Bike Kits 2025 in the United States

The Bafang Mid Drive Kit offers a strong and versatile solution for converting most mountain, road, and city bikes into electric bikes. It comes in 500W, 750W, and 1000W motor options, providing plenty of power (up to 160 Nm torque) for smooth hill climbing and faster rides reaching about 45 km/h. The mid-drive motor design is efficient and works well for various terrains. It supports both throttle and pedal assist modes, giving you flexible riding options, plus a standard cycling mode if you want to pedal without electric help.

One of its key advantages is compatibility: it fits bottom brackets of 68-73mm up to 120mm length and works with most disc or V-brake, chain-driven bikes. This makes it a good choice if you want to keep your original bike but add electric power. The kit includes essential components like brake levers, a chainwheel, throttle, speed sensor, and tools for installation, while the battery and display are optional extras you can add based on your needs.

Installation is supported with manuals and many helpful online videos, making it approachable even if you’re not a mechanic, though some mechanical skill is still helpful. Customer support is US-based and responsive, which adds confidence if you need assistance. The kit's aluminum build should be durable and lightweight. Since the battery isn’t included, you’ll need to purchase it separately, and 73mm screws aren’t provided, requiring extra parts for some bikes. It requires a compatible bike with chain drive and specific bottom bracket sizes, so it’s not a universal fit for every bicycle. This Bafang kit serves as a powerful, flexible, and well-supported electric bike conversion option, especially suited for mountain and city bike riders looking for a reliable mid-drive system without buying a new electric bike.

The eBikeling Ebike Conversion Kit is a solid choice for anyone looking to turn a standard 26-inch bike into an electric one with a strong 750W motor. This motor power is enough to handle city rides and even some off-road use, making it quite versatile. It includes pedal assist, which helps you pedal with less effort, plus a throttle for extra control, giving a smooth riding experience. The kit is designed to fit most 26-inch rear wheels and comes with all essential parts like the motor, controller, display, throttle, brake levers, and pedal-assist system. One standout feature is its waterproof design, which means it can handle different weather conditions without problems.

The kit does not include a battery or tire, so you'll need to purchase those separately, which adds to the cost and setup time. The warranty on the motor and battery is one year, but other parts only have a three-month warranty, so keep that in mind. Installation might require some basic mechanical skills or professional help since it involves several components.

This kit is best suited for bike owners who want a powerful and flexible electric upgrade while being prepared to source a compatible battery and possibly spend some time on installation.

The eBikeling Ebike Conversion Kit is designed to transform a standard bicycle into an electric bike with ease. One of its standout features is the powerful 1200W motor, which provides substantial power for city commuting and off-road adventures. This makes it an excellent choice for those needing a robust and versatile e-bike solution. The kit’s waterproof construction ensures it can withstand various weather conditions, adding to its durability and reliability.

Another advantage is its compatibility with 26-inch rear wheels, which fits a broad range of bike types, from mountain bikes to beach cruisers. This versatility is amplified by the comprehensive inclusion of necessary components such as the wheel hub motor, controller, display, throttle, brake levers, and pedal-assist system, streamlining the installation process for users. However, it’s important to note that the kit does not include a battery or tire, which must be purchased separately.

Additionally, the one-year warranty on the motor and the shorter three-month warranty on other components might be a consideration for potential buyers. Despite these minor drawbacks, the eBikeling Ebike Conversion Kit offers a powerful and flexible solution for those looking to enhance their biking experience with electric power.