I found the following offset chart for Volf SF Winnings on the Japanese portion of the Rays (Volk) web site.

http://www.rayswheels.co.jp/cgi-bin/...?modelName=SFW

Some of the characters don't come through, but this seems to be a good reference for SF Winnings offsets.

Anyone find one of these in English? I'd like to be able to read the notes.