Good news: For new orders of Gen 2 motor, we will ship within 1 month after placing orders.


The package includes everything you need to convert your bike exept the batteries:

1. Motor-reduction assembly

2. BAC855/ BAC2000

3. Torque sensing Bottom bracket and freewheel crankset

4. Water proof wire harness

5. Spacer for 68mm/73mm bottom bracket (For 68/73/83mm version)

6. 500c display (up to 52V)/ 700c disply (up to 72V)

7. Thumb Throttle/ Half Twist Throttle/ Full Twist Throttle

8. User manual 

9. 219H Golden KMC Chain and chainrings

10. A pair of brake cut-off sensors (Optional)

11. A bracket to install the controller sepeately. (Optional, BAC855 controller only)


There are two types of chain cover: Aluminium cover(new version) and carbon cover(old version). We will include the aluminium cover unless specified. 


Read more details from our product info page >


X1 Pro Gen 2 36-72V 5000W Extreme mid drive conversion kit (With torque sensor)

$1,183.00 Regular Price
$1,033.00Sale Price
Bottom bracket width
Brake cut-off
Controller mount with extension wire
  • Brand new and tested.


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