Ramsey's Conor Cummins and Castletown's Chris Palmer are amongst a star-studded line-up for Saturday's Macau Grand Prix.
The first practice session takes place on Thursday morning with qualifying on Friday.
Other T.T. riders taking part include reigning Macau title-holder Steve Plater, John McGuinness, Ian Hutchinson, Cameron Donald, Guy Martin, Michael Rutter and Martin Finnegan.
Pictures - Conor Cummins and Chris Palmer
2026 End to End Walk taking place today
More than 250 people signed up for grueling challenge
Football: Corinthians go top of premier league as Peel stumble
Castletown pull clear at summit of Division 2
Rugby: Douglas Celts begin Manx Shield title defence with a win
Champions earn narrow victory over Ramsey at Port-e-Chee
Hockey: 2026 Isle of Man mixed season gets underway
Opening ties of new campaign take place across the Island