Tim Moore tackled the 9,000km route of the old Iron Curtain on a tiny-wheeled, two-geared East German shopping bike. Talking to Paul Blezard, Moore reflects on the curdling of the Communist dream, and the memories of a Cold War generation reared on the fear of apocalypse – at a time of ratcheting East-West tension. After three months, 20 countries and a 58-degree jaunt up the centigrade scale, man and bike finally wobble up to a Black Sea beach in Bulgaria, older and wiser, but mainly older.