I realise it might not conform to ebike rules, but... what? Quite a take on a bikecam.
https://www.dpreview.com/news/6827505054/cake-osa-electric-utility-motorcycle-can-function-as-an-off-grid-mobile-studio
https://www.dpreview.com/news/6827505054/cake-osa-electric-utility-motorcycle-can-function-as-an-off-grid-mobile-studio