Serial 1 Rush Step Through Review by Stephan Aarstol Serial 1 is an electric bike company powered by Harley Davidson. They manufacture an array of electric bikes that are assembled in Milwaukee, Wisconsin. The Rush step through is the company's commuter styled electric bike. With a high torque motor and a torque sensored belt drive chain the Rush step through scored a 77 on our Tower ebike score. Read our full review and bike diagnosis below. DISCLAIMER - Serial 1 and Rush are trademarks of Serial 1 Cycle Company, and use of that trademark in this review does not indicate that the reviewer is claiming any interest in the mark, or any affiliation with or sponsorship or endorsement by Serial 1 Cycle Company. Electric Bike Reviews You Can Trust Posted in All eBike Reviews, City eBikes Stephan Aarstol Stephan Aarstol is an American internet entrepreneur and author of the book The Five Hour Workday, which is based on Towers' invention of the 5-hour workday in 2015 that would eventually spread the idea to over 10 million people worldwide. Since founding Tower in 2010, it has gone on to become one of America's fastest growing companies and Mark Cuban's best investment in the history of Shark Tank. Tower has diversified into a direct to consumer electric bike company called Tower Electric Bikes, a beachfront event venue called Tower Beach Club, and NoMiddleman.com, where consumers can shop all the world's finest direct to consumer brands from one easy place. Serial 1 Rush Review Serial 1 Mosh Review