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BBS02 - Bafang Mid Drive Kit - B Series

Info! Currently delivery in Australia.
Price : $1599 $1599
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BBS02 - Bafang Mid Drive Kit - B Series

BBS02 - Bafang Mid Drive Kit - B Series


For general assistance, commuting, recreational riding, and outdoor leisure, the  BBS02 has it all! It's the easiest conversion kit to ride and install, with over 10,000 units sold worldwide.

The big sibling of the BBS01, the BBS02 mid drive kit comes in 750W and your choice of battery - For when you need to climb Everest on a bike...or travel a great speed - on private property.

Watch the BBS01/02 review by Electric Bike Report below. 


Full Specifications



 Type Mid drive conversion kit
Intended Usage On road, commuting, recreation, and leisure
Nominal Power 500W to 750W
Cruise Speed


Max Speed 45-50km/h (Depends on your gearing)
Max Range

Up to 75km / 45 miles (depending on battery selection)

Average Range 45-60km / 30-40 miles (depending on battery selection)
Throttle Type Thumb throttle
Pedal Assist Levels Up to 9
Handlebar Display C965 LCD display
Wiring Type EB-BUS waterproof cable set
Max Rider Weight 120kg


 Battery Chemistry LiMn204 Lithium Ion
Nominal Battery Voltage 48V
Fully Charged Voltage 54V
Battery Capacity Dependant on selection
Nominal Battery Energy Dependant on selection 
Battery Removable With locking mechanism 
Battery Cell Type 18650 Samsung
Cell Spec Dependant on selection
Cell Configuration 13S 
Cell Management Built-in BMS
Other Features 5V USB output for charging, controller/cradle included
Maximum Battery Charger Cycles 1000 full cycles
Battery Charger Type SANS 48V 2A Smart Charger
Battery Charge Time 3-6 hours from empty (depending on selection)


Motor Brand Bafang (8FUN)
Motor Model BBS02
Motor Voltage 48V
Max Motor Power 750W
Drive Type Bottom bracket mid drive motor with gear reduction
Motor Sensors Hall Sensor


 Controller Brand Bafang (8FUN) built in 
Controller Operating Voltage 48V
Controller Max Voltage 50V
Controller Low Voltage Cutoff 41V
Controller Operating Amps 25A
Controller Nominal Power Output Up to 1,200W peak
Controller MOSFET Tubes 9
Controller Sensors Hall sensor


Total Weight - No Battery 3.8g (8.3lbs)
Battery Weight 3.2kg (7.1lbs)
Total Weight 7kg (16lbs)


Battery Width 82mm (3.2")
Battery Length 360mm (14.1") including cradle, 315mm (12.4") without
Battery Height 125mm (4.9")

In The Box

- BBS02 Motor
- Battery
- Battery Cradle
- Battery Charger
- LCD Handlebar Display with control panel 
- Thumb Throttle 
- 46T Chainring
- Speed Sensor
- E-Brake Sensors
- 4 to 1 Wiring Harness
- Motor fixings 
- Plastic Wiring Loom/Sleeve

Motor Fitment

We recommend measuring the internal width of your bottom bracket and ensure you have between 68mm and 73mm to fit the BBS motor. For full fitment requirements see Will This Kit Fit My Bike?

Battery Fitment

The NT Battery case typically installs onto your drink bottle mounts along the top surface of your down tube. Its measurements are: 36cm long x 8.2cm wide x 12.5cm high. 

Will this battery fit your bike? Find out here.  

If your frame is too small, there are other options for battery installation including rear rack installation using rear rack such as this one here

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