Brefka, Ronald D. "Ronster" left us unexpectedly on Tueday, August 9, 2022 in Sturgis, South Dakota doing what he loved. Loving and caring son of Elizabeth Brefka and the late Richard P. Brefka. Also survived by his brothers Rick, Tom (Pat), and Jimmy (Susie); his sister Sue (Al); Godson Brandon; nieces, nephews, other relatives and many dear friends. Ron "Ronster" was passionate about motorcycles all his life. As a 6-year Pancreatic Cancer warrior, he used his love of motorcycles and founded High Voltage Motorcycle to organize events and raise funds for The We Care Fund for cancer research. These events included, The High Voltage Vintage Motorcycle & Chopper shows, Ice Races, and the ShovelHead ReUnion. Special thank you to Dr. Douglas B. Evans, Gabby, and Beth for their loving care and friendship to Ron. Memorial Visitation SATURDAY, August 27, 2022 from 10:00 A.M.-12:00 P.M. at the Harley-Davidson Museum, 400 West Canal Street, Milwaukee, WI 53203. Memorial Service at 12:00 P.M. "Do what you love, tomorrow is never promised." -Ronster In lieu of flowers, donations to the We Care Fund for medical innovation and research are appreciated. (https://mcwsupport.mcw.edu/wecarefund)