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Bafang 48V 750W Mid Drive Electric Bike Conversion Kit: A Comprehensive Review

When it comes to electric bike conversion kits, the Bafang 48V 750W Mid Drive Electric Bike Conversion Kit stands out as a popular choice among cycling enthusiasts. This kit comes with a BBS02B 8FUN Mid Motor, HMI Display, and a 48V Ebike Battery, making it a convenient and powerful option for upgrading your bike. In this review, we’ll take an in-depth look at the specifications and features of this conversion kit, as well as its performance and overall value.

Purchase Note:

Before diving into the specifics of this conversion kit, it’s important to note that it is designed to fit bikes with a bottom bracket size of 68 – 73mm. Additionally, the inner diameter of the bracket should not be less than 33.5mm. However, the inclusion of 8 gaskets in the package ensures that the kit can accommodate bottom brackets measuring 73mm. It’s essential to ensure that your bike’s specifications align with these requirements before purchasing the kit.

Motor Specification:

The BBS02B 8FUN Mid Motor is the heart of this conversion kit, delivering 750W of power at 48V. With a controller current of 25A, this mid drive motor boasts an impressive efficiency rating of over 85%. The motor’s no-load speed ranges from 140-160 RPM, while the load speed falls between 120-135 RPM. It also offers a maximum torque of 160 N.m and operates within a temperature range of -20℃-45℃. The motor’s waterproof grade of IP65 ensures durability in various weather conditions, and its net weight of 4.24kg makes it relatively lightweight. Whether you’re commuting or tackling off-road trails, the BBS02B motor is designed to provide reliable performance.

Lengthy Battery Specifications:

Complementing the motor is the 48V 12Ah/14.5Ah/17.5Ah Hailong Battery, available in three different capacity options to suit your riding needs. Equipped with Samsung 29ET or 35ET cells, the battery offers a maximum constant discharge current of 30A and a cycle life of 2000 times. Its array mode ranges from 13s4p to 13s5p, and it features overcharge, over-discharge, over-current, short circuit, and balance protection functions. With a charge voltage of 54.6V and discharge cut off voltage of 36.4V, this high-quality battery is a crucial component of the conversion kit for ensuring prolonged riding durations and reliable power delivery.

Packing list:

The conversion kit includes a comprehensive list of components, such as the BBS02B 48V 750W Mid Drive Motor, speed detecting sensor, chain wheel (available in various tooth options), HMI display, brake lever, thumb throttle, installation screws and nuts, 1T4 cable, crank, and other essential accessories. The inclusion of 8 gaskets for bottom brackets measuring 73mm ensures a seamless installation process. Additionally, the kit comes with gifts, including a headlight, wrench, removal tool, and XT60 cable set, adding extra value for users.

Overall, the packing list covers everything you need to transform your standard bike into a powerful electric bike, providing a complete and convenient solution for enthusiasts looking to upgrade their cycling experience.

Performance and Riding Experience:

When it comes to actual performance, the Bafang 48V 750W Mid Drive Electric Bike Conversion Kit does not disappoint. The 750W mid drive motor delivers impressive torque and power, allowing riders to conquer challenging terrains and inclines with ease. Whether you’re commuting through urban streets or exploring rugged trails, the motor’s efficiency and torque provide a smooth and responsive riding experience. The HMI display offers intuitive controls and real-time data, allowing riders to monitor their speed, distance, and battery level with ease, while the included throttle and pedal assist sensor enhance the overall riding experience.

Furthermore, the 48V Hailong battery ensures long-lasting power for extended rides, and its reliability and safety features give riders peace of mind during their cycling adventures. Whether you’re looking for recreational rides or daily commutes, the combination of the motor and battery in this kit delivers exceptional performance and versatility.

Installation and Compatibility:

Installing the Bafang 48V 750W Mid Drive Electric Bike Conversion Kit is relatively straightforward, especially for those with basic mechanical skills and knowledge of bike components. The kit comes with all the necessary hardware and accessories, and Bafang provides detailed installation guides and resources to help users through the process. Additionally, the kit’s compatibility with various bike models and bottom bracket sizes makes it a versatile and practical choice for a wide range of riders.


In conclusion, the Bafang 48V 750W Mid Drive Electric Bike Conversion Kit with HMI Display BBS02B 8FUN Mid Motor and 48V Ebike Battery is a comprehensive and high-performance solution for transforming your conventional bike into a powerful electric ride. With its robust motor, lengthy battery life, and user-friendly components, this conversion kit offers exceptional value and reliability for cyclists seeking an enhanced riding experience. Whether you’re a casual rider or a dedicated cycling enthusiast, this kit has the potential to elevate your biking adventures to new heights.

From its impressive specifications to its practical functionality, the Bafang 48V 750W Mid Drive Electric Bike Conversion Kit stands out as a top choice in the realm of electric bike conversion kits. If you’re looking to unleash the full potential of your bike and enjoy the benefits of electric-assisted riding, this kit is undoubtedly worth considering.

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