Sonny Colbrelli, who announced his retirement from professional cycling in October last year after an unstable cardiac arrhythmia, has spoken to Eurosport in a special interview. The former Bahrain Victorious rider announced his retirement after an unstable cardiac arrhythmia resulted in his collapse in what was a very scary incident at the finish of Stage 1 of the Volta a Catalunya that prompted huge concern from the entire cycling community. Ad Colbrelli's collapse sent shockwaves through the sport as he crossed the finish line in second place behind Michael Matthews.