https://www.youtube.com/watch?v=E51RJuVDBvg&lc=UgxfXBEIV74-hBaWmLV4AaABAgVideo can’t be loaded because JavaScript is disabled: Ridstar E Bike Q20 Assemble Video Guid Review (https://www.youtube.com/watch?v=E51RJuVDBvg&lc=UgxfXBEIV74-hBaWmLV4AaABAg)
thanks for sharing the instructions