What is the fine-grained topic of the following text: An individual (Jim Dicke II) purchased the bicycles and associated memorabilia in 1997 and moved the whole kit and kaboodle to New Bremen (only 18 miles from the Alumapalooza grounds at the Airstream factory), where the collection has grown in scope and size. Only return the topic.
Jim Dicke II's bicycle and memorabilia collection in New Bremen