 DALLAS--BUSINESS WIRE--RumbleOn, Inc NASDAQ: RMBL, the e-commerce company using innovative technology to simplify how dealers and consumers buy, sell, trade or finance pre-owned vehicles, today announced it will be an official sponsor of the world-famous Sturgis Motorcycle Rally for another three years. RumbleOn will have a physical presence at the rally where powersport enthusiasts can buy, sell or trade their powersport vehicles onsite, and interact with the brand at the prominent corner 