English rider Guy Martin comes off during the Dundrod 150 race on Thursday, sustaining injuries which are not believed to be life threatening.
Martin, who was leading the Superbike race when he crashed at the Ireland's section of the Co Antrim circuit, suffered broken bones and underwent surgery on Friday
The Lincolnshire man will miss the Ulster Grand Prix races at Dundrod on Saturday.
Stephen Watson presents coverage of the Dundrod 150 road races exclusively on the BBC iPlayer on Friday evening.
It will include extended highlights of Thursday night's action and there's a preview of Saturday's Ulster Grand Prix.