The BAFANG BBS01 is one of the most trusted mid-drive motors for converting a standard bicycle into a high-performance e-bike. Known for its reliability, smooth power delivery, and easy installation, the BAFANG BBS01 is ideal for both private users and professional bike builders. Compact, efficient, and cost-effective, this motor delivers natural pedal assistance for urban commuting and long-distance riding. Discover why the BAFANG BBS01 has become a benchmark in the e-bike conversion market.

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MOTORS · LCD · BATTERY · COMPONENTS

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FRONT WHEEL MOTOR

Bafang front wheel motor
48V · 500W–750W · 26″ 27.5″ 29″ 700C
Bafang front wheel motor

REAR WHEEL MOTOR

Bafang rear wheel motor
48V · 500W–750W · 26″ 27.5″ 29″ 700C
Bafang rear wheel motor

MID DRIVE MOTOR

Bafang BBS01B
36V · 250W–350W
Bafang BBS02B
48V · 500W–750W
Bafang BBS-HD
52V · 1000W

LCD DISPLAY

Bafang LCD display
Bafang LCD display

BATTERY

COMPONENTS

Bafang component
Bafang components

The BAFANG BBS01 is torque-rich and powerful. Its compact architecture and design facilitate its installation on any bike.

It is very easily installable and motorizes a large number of cycles effortlessly. It ensures the electrical conversion step that everyone is looking for. The integration of the motor into your bike will be completely seamless. This kit has been designed so that anyone can install it themselves.

BAFANG BBS01: 36 V 250 W Kit

BBS01

The BAFANG BBS01 pack offers a nominal power of 250 watts with a maximum torque of 80 Nm. The motor operates at a voltage of 36 V. It weighs only 3.9 kg and consistently delivers optimal performance.

It is the top choice for eMTB bikes. The electric motor responds swiftly to the pedaling effort you exert on the crank. It provides impressive electric assistance support at all times with formidable responsiveness.

The BAFANG BBS01 36V 250W conversion kit is an excellent choice for electric bike enthusiasts. It features a built-in 25A control unit, making it one of the most efficient drives in its category. With its direct integration on the crank, it supports the rider during pedaling and includes an integrated gearbox. The gear ratio ensures that the motor operates within its most efficient speed range during normal riding.

This conversion kit offers a 6V light output (up to 500mAh). It can be controlled from both the display and the control unit. It adapts perfectly to all usage modes. It’s an excellent choice for individuals looking to cover long distances more quickly while benefiting from electric assistance. With the BAFANG BBS01 36V 250W, you can effortlessly transform your bike into a high-quality electric vehicle.

BAFANG BBS01: Which Equipment to Choose?

There are different chainring models for electric bikes, with a varying number of teeth. This number of teeth affects the torque you transmit to your bike. The fewer the teeth, the greater the torque transmitted, making the bike more responsive and dynamic. This configuration is particularly useful in mountainous terrains where the slopes are steep and require quick ascents.

It’s important to note that this configuration also protects the motor. It will operate within an optimal range without overexerting, even at low speeds. Conversely, a higher number of teeth will make the bike slightly slower at low speeds, but its top speed will be higher. However, it’s essential to be cautious not to overheat the system during starts or on steep inclines, as a large amount of energy generates heat under these conditions.

It’s crucial to check the compatibility of the chainrings with your bike to avoid setting an unsightly chain line. In summary, the choice of the number of teeth will depend on your usage and the type of terrain you ride on.

BBS01: Technical Specifications

BBS01

The drivetrain used is an indirect electric motor with a voltage of 36V and a power of 250W. It installs at the crankset, in a mid-position.

The motor is capable of generating a maximum torque of 80 Nm, providing effective assistance during pedaling. It features an integrated Hall effect sensor for precise position detection.

The crankset has a length of 68 mm. It is IP65 certified for increased resistance to water and dust. Additionally, it has a connection for the shift sensor. The system offers a 6V light output and weighs 3.9 kg.

5 Key Facts About the BAFANG BBS01

  • 250W nominal power: The BBS01 provides steady, smooth assistance well-suited to urban commuting, light trails, and casual recreational riding.
  • Lightweight at 3.9 kg: One of the lightest Bafang mid-drive motors available, preserving the bike’s agility and handling characteristics.
  • 80 Nm torque: Sufficient torque for moderate climbs and responsive start-up assistance, making it ideal for most everyday riding scenarios.
  • IP65 certified: Protected against water jets and dust ingress, suitable for year-round commuting in all weather conditions.
  • BSA 68mm fit: Fits the universal bottom bracket standard, compatible with the vast majority of bicycle frames on the market.

Frequently Asked Questions About the BAFANG BBS01

What is the real-world performance of the BAFANG BBS01?

The BAFANG BBS01 delivers 250W of continuous assistance with up to 80 Nm of torque through its integrated 25A controller. In practice, it provides smooth, natural-feeling assist that is responsive from a standstill and handles moderate gradients comfortably. It is the preferred choice for riders converting city bikes, hybrids, and light mountain bikes.

How difficult is it to install the BAFANG BBS01?

Installation is accessible to a confident bicycle mechanic or motivated DIY rider. The motor threads onto the BSA 68mm bottom bracket shell, and the wiring follows a clearly documented layout. First-time installations typically take between 2 and 4 hours, including cable routing. Torque specifications must be followed carefully to ensure a secure fit.

What battery is compatible with the BAFANG BBS01?

The BBS01 operates on 36V. Battery capacities between 10Ah and 17.5Ah are most commonly used, providing approximately 40 to 120 km of range depending on assist level and terrain. RACK, TUBE, and INTUBE format batteries in 36V are all compatible with the BBS01.

Which display should I choose for the BAFANG BBS01?

Both the LCD display (showing speed, battery level, power mode, and odometer) and the compact LED display are compatible with the BBS01. The LCD display is recommended for most riders as it provides full situational awareness and access to basic configuration settings directly from the handlebar.

Step up to the BBS02 750W for more power, complete your build with an LCD display, and follow our installation guide for a smooth setup process.