This is my Approach of adding Indicator Lights to my Bike.

My Plan was to integrate it as sleek as possible and reuse the normal Tail-light

So i bought these indicators:

https://www.kellermann-online.com/atto-integral/152.500 → for Back

https://www.kellermann-online.com/spot/199.100 → for Front (but maybe i switch these later)

The Control Unit is this:

https://shop.velorian.de/Blinkerbox-e-line-alpha22

So far it works like a charm.