Brodak has a small 1 inch aluminum spinner available. It is not listed on the Brodak website however, you will have to call and inquire.
http://www.brodak.com
There is listed on the web site a 1-1/4" spinner (32mm) as well. Their web site always seems to trail well behind any new additions. They are easy to reach by phone and very easy and pleasant to deal with.
A short thread on this subject on the Stuka Stunt Forum:
http://www.clstunt.com/htdocs/dc/dcb...ng_type=search
and two pictures shamelessy copied from the thread on the Stuka Stunt forum. There may be other bits of info on these spinners on the SS forum but I didn't look.
cheers, Graham