Actually, I think they used this rim on LOTS of models, Scrambler also, judging by several posters and brochures.
PERFECT, unused conditon, vintage Italian chrome, 130mm id, 151 mm od, according to the box. (Not included.) Any flaws in the photos are just my lousy photo-taking. There is one of two numbers below the Aprilia logo: IGM1408PMX or IGM 0139PMX. Identical otherwise.