is this the motor mentioned on the BRCA list?
Black Alu. Ends, with Black centre sleeve.
(pic has a coloured one) 
Each end with 6 angled slots. 6 Screw holes.
Sensored system. "Y" . Black Alum. End-Bell with ‘Trinity’. 5.0mm shaft reduced to 1/8 for bearings both ends. Black sintered magnet with fan. 5.5T, 4.5T, & 3.5T approved. Rotors :- 12.0, 12.5, 13.0.
Looking for a 6.5 but a Duo one hasn't been submitted.
Can, could one be used @ santioned events if I can get one?