Wiggins breaks hour record

Sir Bradley Wiggins set a new UCI hour record at the Olympic Velodrome in London, riding 54.526km.

It eclipsed the previous record set by fellow British rider Alex Dowsett in May by 1.625km.

In this clip, OJ Borg describes the moment Wiggins broke the record, and the final moments of the hour.

This clip is from 5 live Sport, Sunday 7 June 2015.