The metal grids are tricky enough to get over safely in good weather, let alone when the rain is lashing down like it was on the start line in Berverley.
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Bystrøm required the attention of an ambulance that was following the peloton after hitting his face quite hard, although it’s not clear if he slipped on the grid or got his wheel caught in it.
Your guide to the Tour de Yorkshire
Riders have been battered by wind and heavy rain most of the way through the 184km route from Beverley to Settle, with more bad weather forecast for the rest of the weekend.