Geraint's guide to the 2019 Tour de France

2018 champion Geraint Thomas tells BBC Sport where the 2019 Tour de France could be won and lost.

It begins in the Belgian capital Brussels on Saturday. The riders will cover 3,460km over the following three weeks of racing.

Thomas is aiming to defend his title as he co-leads Team Ineos alongside Colombian rider Egan Bernal.

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