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Gen 1 52V controller version has stock and will be shipped in 1-2 week after placing orders:


Meanwhile, we are currently shipping out the previous orders of the Gen2 version with 36-72V controller.

For new orders of Gen 2 motor, we will ship in 1.5-3 months after placing orders.


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

1. Motor-reduction assembly

2. Integrated programmable Controller (36-72V)/ BAC800/ 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. Round color display (36-72V) (For 36-72V stock controller)/ 500c display (For ASI controller)/ 700c disply (For ASI controller)

7. Thumb Throttle/ Half 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)


Read more details from our product info page >


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

$1,088.00 Regular Price
$938.00Sale Price
Bottom bracket width
Brake cut-off
Controller mount with extension wire
Crank arm length
  • Brand new and tested.