Harley-Davidson Serial 1 E-Bike (2020) Harley-Davidson Serial 1 E-Bike The Harley-Davidson Serial 1 is a sleek two-wheeled electrical bike that will be available in March 2021. The Serial 1 E-Bike has thick white tires, a relatively thin black frame, brown leather seat, and logos. Continue reading “Harley-Davidson Serial 1 E-Bike (2020)”