Well remembered @guerney . I'm on my 2nd one now, the first lasted about 4k miles before I experience chain suck when replacing the chain and cassette ( https://www.pedelecs.co.uk/forum/threads/chain-flapping-noise-after-new-drivetrain-installed-any-ideas.46762/post-706221 )@egroover bought an inexpnsive Lekkie copy in the year 2021, said it worked fine. He might still be using it.
https://www.pedelecs.co.uk/forum/threads/lekkie-bling-ring-alternative-42t-for-bafang-bbs01-2-%C2%A331-del.41981/