'Dizzy' Cavendish on Qatar crash

World champion Mark Cavendish complains of dizziness after crashing during the final stage of the Tour of Qatar, a fall in which his cycle helmet "disintegrated", injuring his neck.

The Manx sprinter came off on the sixth and final stage of his debut race for Team Sky, in which he won two stages, after touching the wheel of American Tyler Farrar as he kicked for the finish.

Tour de France green jersey winner Cavendish praises the structure of his new team, believing this will help him prosper.

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