[krn]

> Because the average bike price is going up it also becomes interesting to steal parts. A decent handlebar + shifters are easy to sell individually.

That's an interesting point. Doesn't that make a folding full-size bike the only real solution?

Something like Changebike DF-611MB:

https://www.changebike.com/df-611mb

> There are a few new lock types which are supposed to work better against angle grinders like Tex-lock or LitLok.

After a quick search...

Tex-lock cut in 32 seconds:

https://www.youtube.com/watch?v=ictBpMHKhK0&t=1m20s

LitLok cut in 16 seconds:

https://www.youtube.com/watch?v=D-On0DGcDlc&t=1m25s