alt Hacker NewsThe presentation looks like marketing overkill, their solution looks pretty simple. It‘s just two trills „Trillerwerk“ bells combined. It was the standard in Germany until the late 1990s https://youtu.be/-mW7dWHDivo
Replies
eru • today at 9:45 AM
That guy should lead with the sound check. :)
They are still readily available. I suspect that the only reason they aren’t standard anymore is to save 5 Euros on a new bike.