Scooter/bicycle handlebar rearview mirror mount
thingiverse
Designed for Zaxboard Titan with this mirror: https://aliexpress.ru/item/4000453233798.html. But it depends only on grips type, so it may fit on any other 22mm handlebar. Use stock nut and M4x25 (or longer) socket head cap screw. Or you can print Long variant to utilize stock screw which came with the mirror (although not tested).
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