article_snippet: Mr Sweeting's head camera shows a 53-year-old man in cycling gear who had just been shoulder pedalling madly after the three men at 21mph - as the heart rate monitor a 53-year-old man in cycling gear who had just been shoulder was also wearing reached 164 beats per minute.
highlights_snippet: his captured the crime on his helmet-mounted camera and heart monitor .
  
highlights_snippet: Raced after his helmet-mounted camera and heart monitor at 21mph and his heart rate reached 164 beats per minute .
  
highlights_snippet: his helmet-mounted camera and heart monitor dropped his bike after his chased his helmet-mounted camera and heart monitor along road in Leyton, London .