BAFANG BBS01B UART 36V 250W Mid Drive E-Bike Conversion Kit
Convert your compatible bicycle into an electric bike with the BAFANG BBS01B UART 36V 250W mid-drive motor conversion kit.
This configuration is designed for bicycles with a 68mm bottom bracket and includes a C18 display and 44T chainring.
Key Features
• BAFANG BBS01B mid-drive motor
• UART communication protocol
• Rated voltage: 36V
• Rated motor power: 250W
• Bottom bracket size: 68mm
• Suitable for approximately 68–73mm bottom bracket widths
• Display: C18
• Chainring: 44T
• Mid-drive design for efficient power transfer
• Compatible with brake cut-off system
• Compatible with thumb throttle
• Compatible with speed sensor
• Gear sensor connection available
• Front light connection available
• Suitable for compatible city, hybrid, trekking and mountain bicycles
Bottom Bracket Compatibility
68mm Bottom Bracket
• Suitable for bicycles with approximately 68–73mm bottom bracket width
• Suitable for many standard bicycle frames
• Please measure your bicycle bottom bracket width and inner diameter before ordering
• Please confirm frame and chainstay clearance before installation
C18 Display
• BAFANG C18 color display
• Displays riding speed
• Displays battery level
• Displays pedal assist level
• Displays riding distance and trip information
• Light control function
• Compatible with BAFANG UART motor systems
• Suitable for 36V systems
44T Chainring
This kit is configured with a 44T chainring.
According to the chainring specification, the 44T chainring has an approximate diameter of 18.3 cm and is suitable for compatible bicycles, including many 700C / 28-inch applications.
Please confirm frame and chainstay clearance before ordering.
Connection System
The motor system provides connections for:
• C18 display
• Thumb throttle
• Brake levers or brake sensors
• Speed sensor
• Gear sensor
• Battery
• Front light
Please confirm all connector types before installation.
Main Kit Components
Depending on the selected package, the kit may include:
• BAFANG BBS01B 36V 250W mid-drive motor
• C18 display
• 44T chainring
• Crank arms
• Brake levers or brake sensors
• Thumb throttle
• Speed sensor
• 1T4 main wiring harness
• Mounting hardware
• Installation accessories
Please Note
Battery, front light and gear sensor require additional purchase unless specifically included in the selected package.
Cable Connections
The wiring system provides connections for:
• Main 1T4 cable
• Battery
• Gear sensor
• Speed sensor
• Front light
• C18 display
• Brake system
• Thumb throttle
Important Compatibility Notice
Before ordering, please confirm:
• Battery voltage: 36V
• Motor power: 250W
• Bottom bracket width: 68mm
• Compatible bottom bracket range: approximately 68–73mm
• Display: C18
• Chainring: 44T
• Bicycle frame clearance
• Battery connector compatibility
• Required brake option
Please measure your bicycle bottom bracket before ordering. Installation compatibility may vary depending on bicycle frame geometry and components.
Installation
Professional installation is recommended if you are not familiar with bicycle electrical systems or bottom bracket installation.
Wholesale & OEM
Wholesale and bulk orders are welcome.
For OEM requirements, customized packages, accessories or bulk purchasing, please contact us before ordering.