10 Best Electric Bicycle Conversion Kits 2025 in the United States

The Bafang Mid Drive Kit (models BBS02B and BBS-HD) is a versatile electric bike conversion kit compatible with bottom brackets between 68-73mm and suitable for various bike types including mountain bikes, city bikes, and recumbent trikes. It offers motor power options of 500W, 750W, and 1000W, powered by a 48V or 52V system, delivering strong torque ranging from 100 to 160 Nm. This allows the bike to tackle hills and different terrains with speeds up to 45 km/h.

The EBIKELING 36V 750W electric bike conversion kit is a solid choice for adults wanting to turn a regular 26-inch front wheel bike into an electric bike. Its 750-watt hub motor offers plenty of power, making it easier to tackle both casual rides and tougher terrains. The included 36V 13AH Dolphin battery provides a good amount of energy to support longer rides without frequent recharging. One of the kit's strong points is its waterproof design, which means you can ride confidently in different weather conditions without worrying about damage. It fits 26-inch front wheels and comes with a 7-speed gear shifter, giving you a decent range of speed options to match your riding style. Assembly is beginner-friendly, and the kit includes all necessary parts plus a charger.

The Bafang 1000W Mid Drive Kit is a strong choice if you want to convert a regular bike into a powerful electric one, especially suited for mountain, road, fat, or commuter bikes. Its motor delivers impressive strength with 1000 watts and up to 160 Nm torque, meaning it can help you climb hills easily and reach speeds over 30 mph on flat terrain. The kit is versatile, fitting most bikes with common bottom bracket sizes, and it comes with all the main accessories you need, including a display, throttle, brake sensors, and chainring. Installation is made easier with a helpful video guide, and you can switch between three riding modes – full electric, pedal assist, or push assist – depending on how much you want to pedal.