The grey demonstrator which I went out with SBM in, has black Speedster wheels.

They wouldn't be my choice, too plain......but easy clean.

http://www.talkmorgan.com/ubbthreads.php/topics/605833/re-sbm-collects-new-6#Post605833

DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4