James Hillier will partner Glenn Irwin in the Quattro Plant JG Speedfit Kawasaki Team at this year's North West 200.
Former British Motocross Champion Graeme Irwin is poised for a dramatic switch to the BSB Championship.
Last year's fastest newcomer at the North West 200 returns to this year's event aiming to make an impression at the Triangle circuit.
Northern Ireland rider Andy Reid rejoins the Tyco BMW team to compete in the British Superstock 1000cc series this season.
Audio & Video
Carrick rider Graeme Irwin is considering competing alongside his brothers Andrew and Glenn in BSB after quitting motocross because of a wrist injury.
Well respected former motorbike racer Rex McCandless is one of the UK's less celebrated inventors but his remarkable talents revolutionised the motorcycle.
Jonathan Rea takes his place among the pantheon of Northern Ireland sporting greats after becoming the first rider to win four successive World Superbike titles.
Live sport online coverage from the BBC
Check out the BBC Sport Live Guide for details of all the forthcoming live sport on the BBC.
Bikes! Ulster Grand Prix highlights, Part 1
Stephen Watson presents the first of three highlights programmes from the Ulster Grand Prix - one of the world's top road racing meetings.
Bikes! Ulster Grand Prix highlights, Part 2
Stephen Watson presents highlights of the action from the Ulster Grand Prix.
Bikes! Ulster Grand Prix highlights, Part 3
Stephen Watson presents the last highlights programme from the Ulster Grand Prix.