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

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 170mm

4. Water proof wire harness

5. Motor hanger

6. 3, 5, & 7mm spacers for BSA threaded 68/73/83mm version

7. 500c display (36V to 52V)

8. Thumb Throttle

9. 11/53 option with 32T bike chainring

10. A magnetic speed sensor

11. User manual (ecopy)


Available on back-order

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


The X1 Stealth is the all new lightweight mid drive conversion system. With up to 1500W of power output, a small form factor, and a more silent performance, this is the ideal system for eBike & eMTB riders wanting a stealthy setup. 

The X1 Stealth is complete with

– integrated torque sensor

– fully customizable mobile app

– various bottom bracket fitments

– 2 rider modes, with up to 9 assist gears

Weight 4.5 kg