The most popular dedicated off-road Mid Drive Conversion Kit in the world!
Heavy-duty, more powerful and built to be tough! The BBSHD is the latest motor from Bafang its fast become a proven success for off-road riders.
Bafang has developed a new heavy duty, high performance mid drive motor that surpasses the performance of the BBS02. The BBS-HD (Also referred to as BBS03 or BBS-X) is a 1,000W nominal, 1,600W peak output monster of a mid-drive conversion kit, now with factory options for normal 68-73mm cranks as well as wider fat bike cranks (factory order). With 160Nm of torque, 30 Amp 12 MOSFET controller, and the choice of 2 high-drain Samsung cell battery packs, this conversion kit is the most powerful universal DIY mid drive on the market.
See the BBSHD in action below!
|Type||Mid drive conversion kit|
|Intended Usage||Recreation, off road|
Up to 50km/h / 30mph (depending on gearing)
|Max Speed||Depending on conditions and gearing|
Up to 100km / 62 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 Management||Built-in BMS|
|Other Features||12V 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||BBSHD (also known as BBS03)|
|Max Motor Power||1,620W peak|
|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||30A|
|Controller Nominal Power Output||Up to 1,620W peak|
|Controller MOSFET Tubes||12|
|Controller Sensors||Hall sensor|
|Total Weight - No Battery||4.8g (10.5lbs)|
|Battery Weight||3.2kg (7.1lbs)|
|Total Weight||8kg (17.6lbs)|
|Battery Width||82mm (3.2")|
|Battery Length||360mm (14.1") including cradle, 315mm (12.4") without|
|Battery Height||125mm (4.9")|
In The Box
- BBSHD Motor
- 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
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?
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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