Filippo Ganna suffered a mishap when he was forced to change his bike during the Stage 21 Time Trail of the Giro d’Italia. It appeared as though the Ineos Grenadiers rider's back wheel had gone flat, either from a punctured tube or a damaged wheel rim. You can watch the Giro d'Italia live and ad-free on the Eurosport app and Eurosport.co.uk.