Looking for ways to make your bicycle safe and at the same time conspicuous? A site in Germany claims to have developed “the most secure bike lock in the world“.

It is based upon a wireless remote (Conrad 433 MHz transmitter SHT-7) and receiver module (Conrad 433 MHz SHR-7).

Some obvious security issues are the security of the radio signal, resistance to a long hook that could simply drag the lock down or lift the bike off the elevator, another device sent up to prevent the lock coming down…