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The X1 Pro Gen 4 is a high-powered mid-drive electric bike conversion kit made for extreme power, off-road, and utility use. Rated at 5000W & 250N.m.

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

  1. Motor-reduction assembly
  2. 219H chainring-reduction assembly
  3. Bicycle chainring with chainring cover
  4. 219H golden KMC chain
  5. ISIS splined bottom bracket & spindle
  6. 165mm/ 175mm crank arm set
  7. Gen 4 torque sensor
  8. X12 controller (5000W)
  9. Built-in bashguard
  10. Waterproof wire harness
    1T2 wiring harness will be provided by default
    1T4 wiring harness will be provided if the brake sensor option is selected
    Alternatively, request via email for 1T4 wiring harness
  11. Motor hanger
  12. 3, 5, & 7mm spacers for BSA threaded 68/73/83mm version / 2x 2mm spacers for BB92 version
  13. SW102 (up to 52V)/ DS103 Display (up to 72V)
  14. Thumb throttle/ Half-twist throttle/ Full twist throttle
  15. Magnetic speed sensor
  16. Magnetic brake sensors (optional)
  17. User manual (ecopy)


Find battery options here >

Check if the motor will fit your bike frame here >

All pricing is listed in USD

X1 Pro Gen 4 5000W Mid Drive Conversion Kit


$125 Off! A-Series with Kit Bundle

  • Orders are shipped under Hong Kong Air mail or SpeedPost, depending on the shipping address.

    Total delivery time (including handling & shipping) is 2 - 4 weeks after confirmed order. Tax not included.Payment and shipping to and from Russia, Ukraine, Cuba, Iran, Sudan, Syria, North Korea, Myanmar, Yemen, and the Crimean Peninsula are not accepted at this time.

    Shipping to Israel: due to the customs policy, it is not recommended to ship the motor to Israel (there is a high chance of the kit being returned). If you still wish to purchase the motor (including the kit and parts), do not place the order via our website and contact us directly here.

  • This product has a 2-year warranty. Man-made failure excluded. Kindly refer to our Returns & Refunds policy for detailed information. Warranty starts on the day that your product/s are delivered. Warranty registration card included in package. 

    Using this product with a system not supplied by CYC MOTOR LTD will not be supported or warranted.

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