Bike was on my second floor balcony overlooking our buildings private courtyard. It is possible to get on to the balcony by climbing on a wall below and then climbing on to the balcony, which is what I believe the thief did.
Protect your bike – get a security protection label!
Apply the protection label to your bicycle and instantly reduce the risk of theft by up to 50%! Moreover, if the bike is stolen, you increase the chance of its safe recovery by up to 70%.