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BBS01 Mid Drive Electric Bike Kit - B Series

Info! Currently delivery in Australia.
Price : $1497 $1497
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24 months
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BBS01 Mid Drive Electric Bike Kit - B Series

BBS01 Mid Drive Electric Bike Kit - B Series


The most popular Street Legal Mid Drive Conversion Kit in the world!

For general assistance, commuting, recreational riding, and outdoor leisure, the Bafang BBS01 has it all! It's the easiest conversion kit to ride and install, with over 10,000 units sold worldwide.

A popular choice of mid drive kit from a proven name in the industry - The Bafang mid drive kit delivers a great amount of torque by powering the chain wheel. Available in 250W with your choice of battery.

Full Specifications


 Type Mid drive conversion kit
Intended Usage On road, commuting, recreation, and leisure
Nominal Power 250W to 350W
Cruise Speed


25km/h to 30km/h
Max Speed Depends on your gearing
Max Range


Up to 50-80km / 30-50 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 36V
Fully Charged Voltage 42V
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 10S 5P
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 36V 2A Smart Charger
Battery Charge Time 3-6 hours from empty (depending on selection)


Motor Brand Bafang (8FUN)
Motor Model BBS01
Motor Voltage 36V
Max Motor Power 350W
Drive Type Bottom bracket mid drive motor with gear reduction
Motor Sensors Hall Sensor


 Controller Brand Bafang (8FUN) built in 
Controller Operating Voltage 36V
Controller Max Voltage 50V
Controller Low Voltage Cutoff 30V
Controller Operating Amps 15A
Controller Nominal Power Output Up to 540W
Controller MOSFET Tubes 6
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

- BBS01 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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