Looks like a BBS copy but don't think it is .
It isn't a current AKM mid drive because AKM/Aikema Suzhou are the parent company of Tongsheng Suzhou and any AKM motor now is the same as a Tongsheng.
It may though be a copy of an earlier Aikema TS drive motor from 2019.
NEW CRANK DRIVE 48V 250W AKIEMA | Endless Sphere (endless-sphere.com)
The akm 100/128 hubs were sold using the Q monika so Q100/Q128 etc ,etc . It is possible the QM is a copy of the original AKM MD- P250.
Last edited: Apr 14, 2023
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