\'Bill Bryson on two wheels\' IndependentScaling a new peak of rash over-ambition, Tim Moore tackles the 9,000km route of the old Iron Curtain on a tiny-wheeled, two-geared East German shopping bike.. \'Bill Bryson on two wheels\' IndependentScaling a new peak of rash over-ambition, Tim Moore tackles the 9,000km route of the old Iron Curtain on a tiny-wheeled, two-geared East German shopping bike.