Does anyone out there know if there is a steering wheel hub adaptor for a 1991 Ducato. I have a ducato based hymer motorhome and would like to put a removeable steering wheel on. I already know that momo and omp do not do one, for some reason. I had a 1997 talbot express based hymer before and did not have a problem, so this is puzzling me. Grateful for any information.