I THINK IF YOU WANT THE REFLECTOR BASE FOR THE ST90 ON THE SIDES OF THE HEADLIGHT EARS BAD ENOUGH TO FILE OR CUT THESE SOME THEY WILL WORK.
THESE ARE TALLER THAN THE ST90 BASES.
THESE ARE FROM BIGGER BIKES, HONDA'S OF COURSE.
Y3016
I THINK IF YOU WANT THE REFLECTOR BASE FOR THE ST90 ON THE SIDES OF THE HEADLIGHT EARS BAD ENOUGH TO FILE OR CUT THESE SOME THEY WILL WORK.