Guardian: I recently returned from a tour of the Balkans. The plan was to land at Sarajevo, cycle to Split in Croatia, ride up the coast and across to Ljubljana to fly home. But that isn’t exactly what happened, because the airline mislaid my bike. After a suspiciously long wait at Sarajevo airport for the cardboard box I’d carefully packed it in days earlier, I was told it was still in London. Two frustrating days later, and Germanwings finally delivered a now very tatty box …