The product is the September 1991 issue of SuperCycle magazine, focusing on the Black Hills Guide Outlaws 1%ers Bikers and Sturgis Harleys. This English language publication covers topics related to motorcycles, specifically catering to motorcycle enthusiasts and those interested in Sturgis Biker Rally events. With a monthly frequency, SuperCycle magazine provides in-depth information, articles, and photos related to the biker community, making it a valuable resource for readers interested in the world of motorcycling.