Lekkie buzz bar self extractor 2.5 compatible with standard crank arms?

[rudivb]

Hey, I found a set of these locally for sale (new), I wonder if these fit with the standard bbshd crank arms, as I don't plan to buy the lekkie cranks. According to the ad they are version 2.5.

Premium CNC Self Extractor Cap Set- Buzz Bar V2.5 Upgrade - Lekkie

Replacement/upgrade self extractor set for V2 and V2.1 Buzz Bars. Is the compatible with your crank set? Download the user guide here.

lekkie.tech

 

[rudivb]

In case anyone else finds this, I contacted LEKKIE:
They are NOT compatible with stock Bafang cranks.