At the Edge

''I''ve already had my nine lives on the bike...''

Danny MacAskill lives on the edge. The cyclist is legendary for his YouTube viral videos like ''The Ridge'': nerve-jangling blurs of stunts and speed over towering buildings and mountain peaks. His life is one of thrills, bloody spills and millions of online hits.

It hasn''t been an easy ride. Fear, stress and the ''what if?'' factor circle every tr...