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
Darts: Kennish and Brew qualify for para darts world championships
Manx players heading to Lakeside Country Club in December
Snooker: Manx teams reach semi-finals of Home Internationals
Positives for Men's and Masters teams in Leeds
Sailing: Dunn becomes youth aero world champion
Island competitor tops his class during meeting in Germany
Classic TT: Classic Sidecar Parade returning for 2026
Famous names and machines expected to be involved