All pre-sale orders will ship between March & April 2021. Pre-sale will end on the 1st of March 2021.

Kit with 500c display option will be ready in around end of April, 2-3 weeks later than 700c display option.


The package includes everything you need to convert your bike except the battery:

1. Motor-reduction assembly

2. BAC855 controller

3. Torque sensing bottom bracket & freewheel crankset

4. Water proof wire harness

5. 3, 5, & 7mm spacers for BSA threaded 68/73/83mm version / 2x 2mm spacers for BB92 version

6. 500c display (up to 52V)/ 750c display (up to 72V)

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

8. 219H Golden KMC chain & chainrings

9. A pair of magnetic brake sensors (Optional)

10. A bracket to install the controller seperately (Optional)

11. User manual 


Read more details on the X1 Stealth product page >

All pricing is listed in USD

X1 STEALTH 36-72V 1500W mid drive conversion kit

$880.00 Regular Price
$748.00Sale Price
Bottom bracket width
Brake sensors
Controller mount with extension wire
  • Tested & programmed before shipment. Brand new!